Welcome to the game, i have yet to get the caster Robe from wod since it was introduced and have not got any gear that i can actually use for over 3 weeks now.
I am assuming you had not started Relic before atma rate increase and light increase? Those were complete hell, and yes the Zodiac quest to get Zeta is extremely rng.
Also crafting, like others have mentioned, what really hurts is failing at 98 or so %, like really....
RNG is in place to keep players sub, kind of a double edge sword there though as some people do leave because of it.
Do yes i do agree with you mostly OP
Sidenote i still love this game despite the rng god constantly against me XD