No, that's bullshit. Greg said that directly to Bob because that's how he felt at the time. That is not harassment, and Greg is constantly telling anyone who engages in harassment to fuck off, that he doesn't want them as followers and muting/blocking them as needed. You can't just assert that whenever Greg responds to a person publically it constitutes harassment, that is an impossible standard and it's absurd. It's a standard Bob himself can't meet, and the Canatta tweet is just one example because he didn't just dunk on him in the quote tweet, he continued to dunk on him and encourage others to do so in the replies!
As someone who supports both of these people on Patreon and likes and respects both of them, this whole thing is BS. Bob has his reasons for disliking Greg, he doesn't have to accept his apology or interact with him at all if he doesn't want to. But continuing to drag this petty nonsense out over and over again makes him look like a hypocrite and I'm gonna call it out because I'm a fan of Bob.