As has been said, you literally do get to top up your NHS glasses voucher. Sorry we’re not making everyone wear those pink and blue NHS glasses from the 1970s though.
Secondly, did you get to choose to buy your Volvo XC40? Or did someone else tell you that was what you had to have, whether it suited your requirements or not?
And finally, the Motability scheme allows for people to use the cars for all sorts of journeys that benefit the disabled person even if they are not in the car. So a disabled persons carer could use it or go and get their shopping, or prescription, etc. You think getting shopping for the person you care for should be a taxable benefit? Jesus. It is literally already in the scheme rules that the use of the car is for the benefit of the disabled person at all times. And if, for example, you’re unlucky enough to be so disabled that you require a team of carers, your car might be fitted with a tracker to ensure that they are using it within the rules.
If Mumsnet actually started deleting posts with misinformation in them I guess it’d be Swiss cheese round these parts.