I don't think its exactly that, but I just think Twitch knows not to believe the remove DSP stuff. Like its almost backfired. As its always said, DSP is an autism magnet. One thing that some may not be aware of is that on twitter, the detractor community is FULL of a-logs. Its kind of like what BSV said, its a campaign to get a person banned. The Twitch community thing on twitter gets just constantly bugged by these guys all the time for quite honestly the silliest shit. For example Drgnkiller will post a quote and around 5 of them will @ Twitch and the twitch community and be like "LOOK AT WHAT THIS HORRIBLE USER DSP HAS BEEN SAYING, HOW DARE YOU HAVE SUCH A SICK PIECE OF SHIT ON THIS PLATFORM. BAN HIM NOW! HE IS EVIL!" and the quote is some tiny thing that of course won't get him banned. I'm not kidding, it'll be something like Phil saying "Fuck off" and ten of them will @ Twitch support. At one point iJustine had to just tell them to shut up and that she doesn't care because almost daily, multiple times they posted the DSP screencap of him shit talking her in his chat in the small hope she'll shit talk him or make a video on him that'll go viral. After multiple of these almost daily Twitch probably just got the picture and agreed to ignore anything about DSP.
Especially after that time DSP mentioned his Twitch contact then the guys on twitter decided to find who it was, leak a bunch of info, accuse him of stuff, claimed he's secretly in cahoots with DSP and all these other shenanigans, and even try to report him on Twitch for abusing his position or whatever. Just cause Phil said he was a Twitch contact and the guy appeared once to check out a report.
They've probably gained a reputation at this point to the point they're just known as the weirdos who freak out over nothing and are just trying to get DSP banned, so Twitch are probably like lets just ignore all the DSP reports because they're 95% false. And then when they get reported on Twitch for harrassing DSP, Twitch link them with their twitter accounts and all the over the top reports they've gotten, link that there's an agenda and ban them.
tl;dr -They've shot themselves in the foot by acting how they have been. It's a boy who cried wolf scenario.