They do, and Andrew Torba has been attacked relentlessly - but this would likely increase exponentially if Gab were POTUS' primary platform.

Also: there are things coming that we'll need to be able to share and discuss. Safeguarding places patriots can gather is important. IMO President Trump and the Q team can safeguard a place (new platform they they have sole control of) for him to post if necessary - though he is staying largely out of the limelight at the moment.