Also, (and this is from security research articles here) most kernel level anticheats seem to focus more on datamining than anticheat (see: anything from tencent)
Its so bad that a lot of corporate environments ban any work being done on machines that also have them installed (source: my employer)
Over time more and more anricheat companies have realised that personal data is gold and they are harvesting more and more of it.
Just read the eula some time. Most of it state in plain english that they send files from your documents, take screenshots and log keys.
And we give them kernel access…
Well, buddy… I got news for you!