Unlike quite a few countries, the US court system takes precedents into account, and weighs them QUITE heavily.
Imagine Thor's reputation if he somehow makes it effectively illegal to say anything negative about anyone on the internet?
One could even argue this could apply to both physical persons as well as moral persons.
If they think SKG is bad, the result of this lawsuit wouldn't just be worse, it would be the end of all critiscism of anything on the internet.
You say something bad about a random vtuber and they get a few bad messages in chat? Enjoy prison, child.
You review a product negatively and the company misses their sale targets? Enjoy prison, child.
Thankfully, the first amendment would probably quash the Maldites' lawsuit before it's even considered.