I know. This thread is bonkers. All those people saying if people don't need it, they should give it back, can't you see how ridiculous and illogical you're being?
Every single parent will be spending more than £20 pw feeding, clothing, housing, entertaining etc their child, therefore they are spending the CB for the benefit of the child.
Plenty of people on low to medium incomes will be able to afford to save the equivalent of £20 pw per child, depending on their outgoings and how they manage/prioritise their money. What are you saying they should do instead? If they have any money left at the end of the week, give it back to the government?
If instead of saving, if the parent who dropped the child off at childcare then bought a coffee each day on the way to work, would you say they shouldn't do that? The cost would be the same and the only difference would be that they wouldn't get their coffee and the DC wouldn't have their £20k lump sum at 18.
What if the parent took the child to McDonalds on the way home each Friday and bought them a Happy Meal, then spent the rest of the £20 on a plastic toy that was broken or forgotten about by the following week? Again, the cost is the same and many people will do that and say they 'can't afford to save'.
Leaving aside the people who can't afford to save, and those who don't qualify due to high income, there are literally millions of families who can save if they choose to do so, and many will.
They might decide that, instead of spending all their spare money on coffees, plastic toys, takeaways, higher grocery or car bills than average, or all manner of other non essentials (I hope no-one in receipt of CB is getting their nails done, buying alcohol, having their hair coloured, going to the cinema, going on more than the basic holiday, buying takeaways etc etc) that people can leak a few tens of pounds a week on, they will use some of their spare money on saving for their child's future instead.
And yet we have hundreds of posters who say that people who choose to do this should have money taken off them because they've decided to be financially prudent. Insanity.