Sorry for necro-replying, but assuming you're talking about cloudflare they already do.
They took down KF (which is hosted in the US, so seemingly to be legal), but have always allowed everything from sites dedicated to livestreaming animal abuse to ISIS-affiliates hosting beheading videos (both which AFAIK is illegal).
They took down KF (which is hosted in the US, so seemingly to be legal), but have always allowed everything from sites dedicated to livestreaming animal abuse to ISIS-affiliates hosting beheading videos (both which AFAIK is illegal).