b4nnyHas anyone tried contacting the FACEIT support? They have always been very quick to respond to match issues in the past, perhaps they could point you in the right direction towards getting these hackers banned. Otherwise, everyone who does find themselves in a game should certainly report them and make as much noise as you can in the FACEIT discord. Pretty important we learn how to best tackle anticheat early on, so assuming we get them banned promptly this should serve as a useful learning experience.
b4nny is correct, FACEIT's support is very keen. I'm pretty sure the option is only for leaders(?) but during the match against any of the hackers, there's a button on the match room page that summons someone from FACEIT support. Let them know personally that there are players trying to ruin something that only has brought good to us