It’s likely not quite the case that treason has no consequences now.

Actual treason, no matter how egregious, has and will have no consequences if it benefits Trump.

But at the same time, it’s pretty much certain that the definition of “treason” is going to just be shifted a bit so that it only applies to opposition to Trump, but will include everything all the way down to just saying mean things about him. And that will very definitely have consequences, and quite often fatal ones.