>>47853582>>47853609Dynamax is in the same vein as Z-Moves.
>Both require some sort of dongle and originate from one specific Pokemon; also, they change the way that moves work rather than providing any sort of substantial shift in strategy.Meanwhile
>Megas change the entire mechanics of a species and allow for more interesting team building and battle flow by introducing an opportunity cost in the cases of trading a better ability for a worse one.The gimmicks and megas are separate, but not mutually exclusive as shown in Gen 7. The main distinguishing factor is that GameFreak mainly uses megas in reference of older generations while the gimmicks are just flashy exclusives to give identity to the new region because they couldn't think of anything original for Gen 7 or 8.
You can keep crying and pissing your pants about it, but these are the facts.