Some of the stuff on there suprises me and I agree with spotted that there will always be people who let us down.
But it does agrivate me when parents expected teachers to never blow off steam. How often are people refered to as twats or fuckers on here? Sometimes geuine fuckers but sometimes just annoying partners or MILs. When your kids are really pissing you off, you need somewhere to go and call them little shits. I wouldnt personally use retard but the teachers who do are just venting. Calling to their faces, in the school staffroom, in earshot of parents or children would be unforgiveable. But on a forum? Why does it matter?
We are human. We are not perfect but then, neither are your children.
I think ultimately your issues are with YOUR child and their statement and you are trying to rally support when really it is too personal a situation.