With as blatantly as prejudiced view as that, I bloody well hope you never teach my child. Although to be honest, we have come across plenty of similar teachers throughout his education so far.
No-one at my ds's school agreed that there was anything wrong with him throughout Foundation Stage or KS1, while I was watching him struggle on a daily basis and desperately trying to get him the help and support he needed. They saw no problems when he was alone in the playground day after day, when he screamed and tried to run, covered his eyes/ears whenever they played a DVD and failed to understand the expectation that he should treat adults any different than his peers. Then miraculously, just as he was moving to the juniors they finally admitted they thought I may be right and it might be worth someone looking into it. Of course by that time it meant any investigations and support would come out of the Junior School's budget - not theirs'. 
Too little too late, within weeks of starting the juniors, my 7 year old ds ended up having a breakdown and the KS2 staff also tried to deny there was anything wrong. 
Fortunately for us, we didn't have to go private, as we were lucky enough to have access to a LA, Ed Psych crisis line who reacted quickly, kicked the school's backside and recommended him for a full ASD assessment. It still took the NHS another 18 months to actually complete their assessment and give him the diagnosis though - if I'd had the money I would have gone private - and guess what? The diagnosis would have been the same!
That was just the start of things, there was then the fight for his statement (which school insisted he wouldn't get because he wasn't bad enough and conveniently lost all his school records just when the LA asked for evidence, among other underhand tactics). Yet again they were proved wrong, he was assessed and statemented on the first application without any misgivings on the part of the LA and his statement was far from low-needs. Of course the school then proceeded to ignore that too - as apparently they knew better than all the professionals involved in assessment and statementing, as well as all the ones that had diagnosed him. 
Fast forward 4 years and I am watching exactly the same situation unfold with a friend's dd - at the same primary school. The girl concerned had an extensive and lengthy multi-disciplinary assessment. Every single professional was in agreement that she fitted the diagnostic criteria for a diagnosis - and what to do the school say when her Mum approaches them to inform them she's been diagnosed? That they don't see any problems and therefore they have no intention of giving her dd any support whatsoever. 
The sheer arrogance of thinking you know better than either the parents or the qualified professionals that have made this child's diagnosis is astounding. Teachers have very little - in some cases almost zero - training in SEN/SNs, yet still think they know best/better than those that either live with them 24/7 or have spent years training and specialising in the area.
Private or not, they don't just hand diagnoses out to children like sweeties - not even if you pay for it - and what makes you think that any parent who loves their child enough to fight that hard for them would want them to be 'labelled' (as it has been put on this thread) with such a diagnosis if it wasn't both applicable and necessary to obtain the support they need?
Arrogance doesn't even begin to describe it. In fact it's so wrong that I can't even think of a word strong enough.
Honestly, I despair.
