Mods are the bane of the internet world. It's the same wherever you go on the internet on forums, the reason is in most cases someone wants to be a mod because they want to have power over the majority of a community, they can destroy forums and drive people away (sometimes in the thousands as happened on one game I used to play). Sadly it's a catch 22, we need them. Luckily there are many mods out there who do a great job and are there because they are very active and friendly within the community. That said I've had some posts deleted as the mods are very very BBC brainwashed left-wingers.
The spamming rule is so stupid.
That being said though, sometimes I do get silly warnings - not sure if newer mods are actually trained on what's 'spamming' and what isn't. Seems like most of it is left up to personal interpretation and subjective opinion.
Generally they do a good job, however there are times where I've been given warning points for such small things. Apart from that, no complaints here.