Steve and Kazuya Mishima both banned from one of Super Smash Bros. Ultimate's biggest weekly tournament series in Texas
It's a shame how Ultimate players would rather whine and complain than actually learn counterplay in matchups. That honestly goes for every character in the game, not just Steve and Kazuya. It's like they don't know the concept of adaptation.

SSBU with characters: [u'Chrom', u'Steve']
I personally believe Chrom beats Steve and does better against him than Roy. Chrom has the advantage against Steve in neutral. While in neutral, you should always be spacing Neutral airs and Forward airs against him and make the most of Chrom's range. Chrom's ledge trapping against Steve is also (naturally) great due to Jab and Side tilt. The usage of Down tilt and Forward air is very useful against Steve's blocks, as Chrom can ...

SSBU with characters: [u'Sonic', u'Wario']
Here's another matchup Wario definitely doesn't win. Sonic out-camps him, out-boxes him, and is really good at edgeguarding him, and Wario just cannot do a thing. Sonic hits him and then runs, and then he hits him and then he runs, and it just continues over and over again until the game is over. It doesn't matter if Wario has Waft, either, because even if he does have Waft, he still has to touch Sonic ...