Any cheat can be detected at any time. However, if you have 130 points in matchmaking, you are more likely to get an Overwatch ban because you cheated too obviously.
I've never had an account VAC banned for using Unity. Ive used it even when some people reported that they were banned, everything is still good. So be careful what features you use, I think you'll never be banned for the legitbot. I dont know if anything is changed about the ragebot but in MM you wont need it because most probably you will play against cracked cheats with retarded features that will kill you anyway. So enjoy the cheat and play as legit as you can.