i agree that the forum users are poorly managed and there has been countless polls and topics about this.
anyhoot, you can't tell whats a diffrence between a bot or a person (there must be ways, i know) so deleting profiles for the fun might get people pissed.
About that ban thing, you will be fine, i got baned twice in three years and wern't anything seriouse, i actully believe its hard to get banned unless you try to get banned.