Smash mechanics are the finest tempered steel that have been forged in the fire for over 5 games, 20 years in the making, the hits feel impactful, the characters feel balanced, the move sets feel true to the source material for the characters (versus some of the multversus characters that just feel like they have some random move sets tacked onto them), the weighty-ness of smash is superior, throws, wave dashes, etc. all feel fine tuned.
Multiversus has a ways to go before they have a character that feels like donkey kong and a character that plays like ness that feel equally as balanced.
I am rooting for it though because its the best ‘smash clone’ released so far with the most potential