Hi LibertyMunson thanks for contacting PV. In regards to their comments, sadly I've come across the slot taken issue a few times, as my use case has generally to be book when I'm ready, rather than weeks ahead. Just having a slot reservation system (like online shopping) would be far better.
I totally disagree with their 2nd paragraph - it's just restating the rules. My issue is I think the rules are quite ridiculous at times. A glasses case for example has no impact on an exam whatsoever, same as many other things on peoples desks, as ultimately we're at home and not in a test center. Many people don't even have proper desks to work at - what happens with them if they want to sit exams? Headphones is also just repeating their rules. I don't own speakers and don't intend to, so although I understand they are not allowed during the exam, why would it be a problem for them to be used during the check-in process?
Vue's response just appears to be reading from a script again and they have no willingness to show some independent thought outside of that to make it a less stressful process for people. Given they have a monopoly on the market, it seems like they have no desire to improve. Sadly, it could give a bad impression of Microsoft when none of it is your fault.