As immune escape becomes more widely known about I raise my concerns again about vaccinating too many people

I think it's ok vaccinating over 50s maybe over 40s because even if the immune escape happens we should see the virus out  competed by a version that causes very mild or no symptoms. 

BUT if they carry on vaccinating so many people then there will be no easy pool unvaccinated healthy people for the virus to live in and mutate in towards a state where it hardly causes any symptoms. 

So they are doing 2 potentially bad things:

1. Pressuring the current very infectious (but not scarily virrulent) strains to mutate around the vaccine

2. Not leaving enough healthy people who are unvaccinated about for the virus to mutate in (incidentally giving them natural immunity which is much cheaper than a vaccine) which means there will only be these current mildly dangerous strains.... or worse than that a more deadly version like Mers (35% case fatality rate as opposed to SARS-CoV-2 (well?) under 3%)

Here is one perspective... it probably won't be this extreme, but it could well be.

Https://youtu.be/ZJZxiNxYLpc