If it lowers the average age in the parliament, that would probably be a good thing, even if the UK is not the worst from what I can see.

In the UK the average age is around 50 according to: https://commonslibrary.parliament.uk/house-of-commons-trends-the-age-of-mps/

Compared to the US where the senate is a bunch of pensioners average of 64, and the house is 57: https://fiscalnote.com/blog/how-old-118th-congress