Roger is partly right I suppose, but the reason so many older folk require treatment is due to the NHS being very good, it's prolonged life so well that far more folk need ever-more complex help.
Other major issues include that A&E Depts round the country are clogged up with people who shouldn't be there, cut fingers, sprained ankles, idle mums taking their kids in with a sniffle, etc etc. I'd have people paying to get seen, then claim the fee back if it's a real Accident or Emergency (the French method I think). Should free up some space quite quickly?!
Plus - GP numbers have been in decline for quite some years, and given the training lead time, you could point to Labour failing in that regards too.
Roger could of course stand for election, putting forward the policy that we have too many people, so anyone 80 or more would be entered into a yearly lottery to be culled, make way for some new blood? In view of his age, I suspect he'd have a rethink?