You'd have maybe some ground to stand on IF the story wasn't part of the game. But it is. So when you ask a new player to skip their CS's (to convenience you btw), you are asking them to specifically skip a key part of the game...which was designed and developed to be enjoyed at that moment. Not 3 hours later in their in room. This isn't a 'screw you I wanna watch my stories' thing. The devs intended on everyone watching the CS's. Choosing to skip them is like Speed Running, you are more than welcome to do it, but it's not how that instance was designed to be played.
Therefore, it's the people who want to skip (or speed) who should be duty findering...NOT the people 'queueing and playing as intended' Every single time you queue for ANYTHING in game you should expect:
1. People watch CS's.
2. At least one new player
3. At least one undergeared player
4. No Speed runs.
And then, on the rare occasion where these things don't happen, thank your lucky starts and 'speed' to victory....but don't ruin the game for new people. You should treat randoms in game the same way you'd treat a LS mate of FC buddy...and you'd let THEM watch their first-timer CS's.
You don't HAVE to do the Main Scenario quests more than once...as a matter of fact, I'm a little confused why people bother. (you can more efficiently farm certain level 50 dungeons for the same amount or more Philo tomes in roughly the same amount of time...OH, AND philo tomes and the items they craft are dirt cheap/plain old obsolete if you aren't actively running BC and can spend 2-3 weeks farming myth (not a Main Scenario reward) and CT (for CT gear).
I mean geez, BC+CT+High level roulettes+ random in game stuff each week= I have to 'dump' Philo tomes 1-3 times a week. (IE by random tome mats and re-sell on wards or stock up the FC chest with). I haven't needed an 'tome' item in ages. And most new players can basically skip the 'tome' phase if they can farm Myth in their AF/level 50 dungeon drops for 1-3 weeks+run CT.
What I mean:
Newly ranked level 50
-can earn 450 Myth Tomes each week by farming both CT and 'easier' level 50 dungeons like WP.
-Will also net 1-1.5K Philo tomes a week easy by doing this farming
-can also unlock 'A relic' reborn once main story is cleared
Week 1.
-Save first 900 Philo tomes for 'relic key item' (can buy and hang onto if easier)
-Sit on first 450 Myth tomes
-Earn a CT piece for your Job (ideally aim for body or legs first as they are the most 'costly' in tomes)
-Get up to at least Chimera on relic (if you started quest this week)
Week 2.
-Spend the 1000ish Philo tomes you should now be sitting on on some gear upgrades if you desire (I'd probably suggest accessories since body pieces are easy to get in CT/Myth)
-Spend your first 495 of myth on your Head/Hands or Feet
-Get another CT drop (whatever you don't have in myth/CT from last week)
-Be to at least the Hydra Battle (consider farming Ifrit/Garuda for a weapon for your class...but not necessary if you have Grand Company weapon)
Week 3
-Again, you will naturally earn 1000ish Philo tomes doing your weekly thing. Spend them on accessories/consider buying some mats to make gil
-You should have at least 405 Myth left from the previous week (this is assuming you never earned a single myth tome throughout the game until you hit level 50...which is unlikely) Earning another 450, puts you just shy of 900 (855) Sit on these
-Farm CT, get a piece for your job
-Finish A relic reborn (get Relic)
So by the end of 3 weeks, just doing normal 'endgame farming' (but not doing BC) you will potentially have
-A Relic Weapon (ilvl 80)
-A Myth Head (Ilvl 90)(or feet or hands...but using head in my example)
-A CT body (ilvl 80)
-A dungeon belt (ilvl 55)
-A CT hands (ilvl 80)
-A CT legs (ilvl 80)
-Dungeon or AF legs (ilvl 50-55ish)
-Also, you will have full or close to full Darklight accessories if you opted for them (or astral if you had them crafted) (Ilvl 70 accessories)
By your 4th week out, you'd have a +1 relic (Ilvl 90 weapon) and Your last AF slot filled with CT gear....and more than enough gear to start farming Binding Coil.
So again, WHY do you need to farm Philo tomes? Because seriously, unless you are trying to jump into BC your first week after hitting level 50 (or trying to quickly gear multiple jobs at the same time...which a rare 'newly level 50 problem), there is no need. Especially when you factor in most 'newly minted level 50's' still have alt classes to level, sidequests to finish, dungeons to unlock and all of patch 2.1 content to still do.
And in less than a month, BC T1-5 becomes 'farmable' and I believe Myth cap is raised as well, making it easier to gain ilvl90 gear.
So even if you have the time to farm storyline for Philo tomes...you could better spend your in-game time doing basically anything else. Who wants to spend all that time getting gear you literally will only use 1-2 weeks? Why?
And if you do it for gil, well, you missed that boat by about 5 months.