I dont think threads should be deleted, just let them naturally dissapear, which they will if people are offended, as they will not post on them. If people are taking the time to reply to threads, they are obviously interesting to them. If people find them distasteful then they can simply click on another thread.
Diversity, the word that keeps getting rammed down our throats these days makes things interesting, and not all subjects will be to everybodies tastes, but thats life!!
So…. what was in the deleted threads then?!