If you think it is fine that the forum should just allows insults of everyone's partners then please start insulting the mods partners as clearly that should be okay (am sure they will all be very happy to have their wives read posts about being "maids").
And you will open another can of worms by deleting these things. Where will it end? What will be acceptable and not acceptable? Who will decide and regulate the name calling? Are you willing to offer yourself as the judge, jury and executioner for all complaints of name calling? Who will oversee your decisions? Is there enough hours in a day to even begin?
It's the internet, many brutish keyboard warriors on these very webs, many of us have been their victims.