As a WoW Mount farmer, that 1% drop rate on mounts can stay far far far far FAAAAAAAAAAR away from FF14. We're nearing 15 years of farming Baron Rivendare's Deathcharger and not getting it.
While the Transmog system has some better things to it than the FF14 Glamour system the Glamour system has some better things than the WoW system. Being able to Dye gear is a HUGE bonus over WoW's system where matching gear from different sets can be absolute hell. And for all the crap SE gets over Hrothgar and Viera hats... Dracthyr only being able to tmog belts, shoulders, and weapons says hello. Would a journal system be nice? Yes. Is it possible? Who knows. The Devs have mentioned they want that but are struggling with implementing it. Then again, the average FF14 character has to carry more information than the average WoW character because we can be every single class in the game on one. It's why most storage methods are on load not always accessible.
I would also like to point out that WoW's systems in many cases are more refined BECAUSE WoW is older, they've had more time to perfect. Anyone remember Void Storage that was used for Tmog originally? I do. It was essentially a worse version of the Glamour Dresser. This also doesn't even begin to cover the fact that Blizzard continues to try and reinvent the wheel every single expac which culminated in Systemlands (Shadowlands).
Is FF14 perfect? No. But saying they can fix it by just stealing things without understanding that there's a huge difference between what is under the hood is a bit much.
I would personally love to see more open world stuff. Being able to explore dungeon areas without a time limit and stuff would be nice too and I will admit in many ways the WoW world is more immersive because there are more nooks and crannies to get into that I would love to see come more into FF with less invisible walls stopping that.