New SMN is a mind-numbingly boring one-button job

[tearagion]

Let's recap then.

SMN is introduced in ARR with Bio, Bio II, Miasma, Miasma II, Virus, Garuda's Contagion along with cross class skills like Aero and Thunder, with the dot spells each being separate during that time. Yeah, that was a poison mage alright. There was hardly any reason to Summon anything but a floating green lettuce of venom and needless to say as a SMN from FFXI I was not impressed.

Later on thank goodness they began to see sense and merged some dots together while taking away Miasma II to give back to SCH as an aoe and giving SMN Miasma III. Also, Tri-Bind was a thing. Fast forward to Shadowbringers and they decided to tack on Ruination to the mix of systems as another thing to babysit with the only two cool summons being locked behind a significant wait that would be ruined if you got knocked out.

That sums up the legacy of old SMN.

Fast forward to the SMN of now. We open with Bahamut, cycle through our summons and their elemental trance spells, summon Phoenix, rinse and repeat. This design so far seems to be what clicks with people the most even if it isn't 100% perfect. The only remnants of the thematic and mechanical disaster of a job from 3.0-5.X are Energy Drain/Siphon and Fester. Painflare has always been a fun skill, but I would absolutely trade them all away for new summons or one-off attacks like Blue Mage's primal abilities that should rightly be part of Summoner's kit.

The Ruination effect was introduced in Stormblood, it was only named in Shadowbringers. Your wait for a Demi is actually a couple second longer post-death now, until that you're basically doing the same thing as before which is spamming Ruin, only this time it comes in three flavours. Finally Blue Mage is entitled to all of its spells as overlap with summons has existed since FFVI with most notably Tsunami.

You've also conveniently left out that all skill expression has been removed from SMN, but I guess that's another positive to you.