I think having fewer ppvs is actually the way to go- I like NXT having 4-5 takeovers a year, I feel like it gives feuds/programs time to breathe and develop, and then you get a nice payoff at takeover.
...however NXT is the most logically booked promotion going these days, with well developed characters (for a wrasslin show, anyway) that generally behave in a consistent manner. AEW is... a mess with like, 3 different weird cult factions, and a group of guys that call themselves the Elite but do nothing but lose, so, you know.