Those thresholds haven't been raised for a long time, either, have they?
Take pension credit - I dont think the amount you can have in savings before it affects how much you get has increased for nearly 15 years, when it was increased to £10,000.
To put that into perspective, you could buy a brand new car for around £7,000 back then. You would have to pay twice that now for the same model!
I am not sure how much the cost of essential household appliances, house repairs etc., has increased over that time, but there's no doubt that they have all risen substantially too.
If it could be guaranteed that such unavoidable expenses came at well-spaced intervals, then the £10,000 threshold might just about be ok (especially for those lucky enough to live in places where a reliable car isn't a necessity), but we all know that that is what happens in real life.
Surely it is time that this threshold was increased.