It's impossible to know if this will change everything or not, my advice is: don't use scripts in the first week after the patch on the 9th, just wait a bit and see here on the forum if someone is being banned or not, this could help you a lot have less chance of being banned there are some things you can do too
Yes, probably almost every Script player will got banned soon, this Vanguard its not the same as the Valorant vanguard, this is based on him but better
Everything indicates that many public and private platforms will fall. However, if they are really willing to try, it is possible that they will find a loophole to get around the AC