Its always a pity when those with different views get a tad nasty but I suppose this can be an emotive subject.
I have known a large number of Exam Officers, SENCOs and HTs in my time.
All of them have lamented the ballooning of extra arrangements as, apart from the time and staffing impact, was undermining students with genuine need and actually de-skilling some students with minor needs.
Yet all these people are talented, caring professionals.
You will be aware of the data showing the impact of TAs on residual performance?
You will be aware of the alleged SEN over diagnosis issue in schools?
You will be aware of the stories of students (particularly secondary students) deliberately performing badly in some assessments to get the extra privileges they desired?
I can provide an example I dealt with of 2 females students that demanded to have a separate exam room due to exam stress. When we said the only way we could do this was to have then securely supervised during the day and then to do the exam after school all of a sudden they decided they were not so stressed after all.
I once had a groups of students who were entitled to ET but the only we we could do it was to start them off earlier which meant they coudnt use the school bus and would have to get a very early train NOT A SINGE ONE did so- and yet they all finished the full exam.
As regard the disparity between different skill sets, its a difficult ethical and philosophical point. There are those that would argue that a History exam requires processing, memory, working under pressure, time management, decoding, lateral thinking, problem solving, reading, writing/typing, interpretation skills, subject skills and subject knowledge.
And if a kid gets a bad mark, not because of a lack of knowledge but because of a 'working memory issue', there are those that would say 'well thats part of the exam process- its the same for all.
Now I know the experts look at a variety of disparities to justify it being a disability but their judgments and formulae are arbitrary, even in consensus.
I think some the parents, with children who don't benefit from this type of approach could claim 'foul play' and would have basis for complaint. Perhaps its fortunate that the system is quite complex, subtle and controversial so goes over their heads for the most part.
Either way, agreeing disagree does not a villain make.