Board Thread:General Discussion/@comment-5663652-20130320222318/@comment-5319459-20130430210943

124.179.63.117 wrote: this isnt the actual reason, the reason admins ban them is because they can damage anyone, including those admins that spawn quantum armour, so instead of allowing players to defend themself the staff usually ban them Someone is a bit bitter :P

Joking aside, I would recommend you don't make such broad generalisations, as one persons bad experience with server admins is not representative of all servers and their staff.

There are multiple reasons why items get banned from servers and some of the reasons given by Gamerxp00 are very valid.