@Bumpitybumper
As for the claim that childless and childfree people are "more of a burden" later in life.
First, although figures may change in the future, currently older people without children are a minority. Something like 17% of over 45s.
So the majority of older people have children - yet many still need social care. For a variety of reasons. A big one being that their adult kids have their own kids and are busy caring for them.
Also not many people can afford to give up their jobs to care for elderly parents especially with mortgages or rents to pay and especially if they need to support their own kids. There's also the issue that often the level of care needed is unmanageable for family.
Secondly, it's long been the case that single childless/childfree adult children (especially, according to the article below, women) are more likely to care for elderly parents. At high economic cost. This article is about Australia but it's relevant to the UK too.
Caring duties for elderly parents (and sometimes siblings) disproportionately falls on single, childless daughters
www.theguardian.com/lifeandstyle/2023/dec/03/i-fret-about-the-years-that-lie-ahead-the-unique-caring-burden-of-single-childless-daughters
Again, I'm not saying children shouldn't be supported by society. As a mother I'd be odd to think that! However, I do think single people (childless/childfree and single parents) need a fairer deal with housing, council tax, etc.