>>47410839Competitively, it removes any and all competitive integrity, regardless of format. It's Zygarde-100% on top of Z-Moves on top of free stat boosts on top of being able to run an item. There's so much momentum after it ends that you might as well forfeit if you're on the receiving end. You want a perfect example of how bad Dynamax fucks up the Singles meta, look no further than Battle Stadium. Absolutely neanderthal mechanic - but if you want the full, uncut, Gorilla gorilla experience, I highly recommend a Weakness Policy abuser.
Casually, it makes important battles even easier, and the lore of how it all works didn't make much sense to me.