It could be different mods responding to the reports. I think the mods have no way of knowing if the account is banned or not. I think only the admins can see flashing red in the profile of a ban user.
Autoban that appears in modlog is permabanned by the mods. I wonder what calci did to get permanbanned.
All those accounts = calci. Posts may not appear too bad until you multiply it times 14 and realize he made ~200 similar posts in the past 2 days.
First ban was the ban, second was because I already had a tab open for that profile and hitting ban again was faster than refreshing the page to see if I had banned that one.
The last 2 were IP bans (rest were regular account bans) after I was done to increase the amount of evil on those IPS for a while, they'll decay over time.