logic isn't quite sound here.
"The fact he rejoined the community means he would have had to change his personality."
When you rejoin a community from being banned do you:
A.) act the same way resulting in arguments with people.
B.) Try to improve yourself to benefit the community by changing certain characteristics that have annoyed people or resulted in your ban.
I'm not saying your whole personality is bad (maybe that's is where the confusion is coming from).
I've gone slightly off from where I started which is is..
You still act badly towards people.