What are you talking about? if you started playing late in Legion or BfA, you were propelled forward and gained alot of AP very quickly to be on par with everyone else.
In fact, your point is even stronger in those xpacs. Why grind the FOMO currency at launch and for two years when you can arrive 6 months before next xpac and just cash in the work others have done?
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So you want the same content but a infinite currency grind slapped on them? I mean, Legion & bfa were no different than any other xpac except for a neverending grind.
You do realise you now can play the game and do all the stuff you enjoy doing(pvp, m+, raid) without having to spend pointless time grinding some shite FOMO currency?
I also find it funny you think the raids are "to overtuned" while at the same time argument the game has no content. Clearly theres content there for you to do, but you or the guild/raid you are part of cant clear it.