Q has not been hacked.
What has been happening is that the Q-oriented discussion forums have been deluged with anti-jew and anti-black posts. These get upvoted by trolls and the legit posts get downvoted. You have to sort through the muck, that's all.
Kind of like here.
The real Q is here.
https://qmap.pub/ . . . and it's as real as a heart attack.