I find his posts childish and they bother me
First of all, you put no effort into this drama topic at all. It probably took you under 20 seconds. Regardless of how much we agree with your opinion, the lack of evidence and quotes makes this drama topic weightless.
Caribou is living proof that former problem users can turn around and become productive and fully-functional members of the community.
Another of his accounts is called "Reindeer".
The first time I met this guy is when he applied for a HamHost server. Reindeer was very kind and I'm glad I didn't care how he was Igloos.
Honestly, I know nothing about Igloos.