They are a huge annual cost to the tax payer.
How?
Are you arguing that limiting the range of cars to choose from will save the taxpayer anything?
Or are you arguing that there should be no mobility element of PIP at all?
PIP costs the tax payer. Yes. All benefits do.
The mobility portion of PIP is the same whether you use it for a Motability vehicle, be that a WAV, a normal non-adapted car, or a wheelchair.
If I hand back my Motability scheme WAV tomorrow, the tax payer will see zero saving, I will still be in receipt of the mobility element of my PIP payment - currently, it all goes to Motability for my car.
How would limiting my choice (keeping in mind that I had the choice of one make/model in the first place, due to the size of my wheelchair) save the taxpayer?
If you're arguing there should be no mobility payment - that those of us who need a car or wheelchair on the motability scheme should get nothing toward that... erm. I don't actually know what to say to you, you want us all to stay inside our homes and never get out, go to work, do things?
Of course some people could use public transport, private hire cabs etc - lots of people can't. There are NO private hire cabs in my local area (small town) that have a wheelchair accessible minibus that will take my chair. None. Not a single one. This is not uncommon either, a friend in much larger city, has failed to find a single taxi firm that can take her in her powerchair too and she spent weeks phoning every single one!