It’s not fair to pay into a system for 20 years and then be told that you can’t get anything back from that system as you’ve saved, rather than spent
You can get something back from the system, just not until you are at a point of needing it.
If we're on fairness, it's also not fair for someone who did nothing 'wrong' and worked hard for years but who than has, for example, a child with significant additional needs that require constant care to have to scrape by for the rest of their lives on paltry disability payments and carer's allowances, without any hope of seeing any savings at all, let alone £16k. None of this is truly about fairness, it's about making sure people don't die of starvation. If you want more than that, be sure to vote accordingly at the next election...