You would hope people who bought in recently have a lot of cash to burn
How I value £5 another person might value £5k
People lose their life savings in all sorts of different ways, including dodgy financial advisers and ponzi schemes. You'd be surprised at how irrational some people are when they see pound signs.
Also, something like 13 million British adults don't have £100 in savings. I know somebody that was always a few grand in the red but could always find £50 to shove up his nose on a Friday night, everybody knows those people.