Why people getting banned for k.y.s, this info called k.y.s people send to chat does not have one meaning so it depends on how your brain sees the world. Let us see some examples.
1) keep your secrets
2) Keep yourself safe
3)know your surrounding
4) kiss your sister
etc so don't get mad, don't be upset if someone tells you such awful things just give a different meaning and continue having fun :)