He (and a lot of others like him) completely miss the point.
The point is this. Generally speaking, people who work (and want to work) are bright, capable people. Their children will be interacted with. During the day, they're at a nursery/childminder etc who is stimulating the child and providing a great start to early years education.
People who choose not to work (don't want to, happy to be on benefits etc) are generally not as educated and may not interact with their child. As they haven't been out working, their child hasn't spent any time in a formal childcare setting.
So. Come the age of 2, those children need the free hours ( I hate the use of childcare, it's not childcare, it's education) to have any chance at all of actually catching up with those lucky children whose parents have paid for them to be at a nursery etc.
As for the bit in the article, something along the lines of, if we had more kids one of us would have to pack in work (can't afford childcare for two etc) ...well...welcome to the real world! That's exactly what happened in this household. Childcare for two kids just for 2 days a week was more (substantially) than I would earn. So. Obviously, a given I would have to pack in work. But we chose to have more children. We chose to drop our standard of living by having to live off one wage and not two.
I really do get a bit annoyed when people say, it's not fair, why do they get free childcare etc etc.
It's not for them - it's for the child! Basically, it's so their child stands half a chance of actually making it in life.
I actually think the reason most working people get pissed off is because they think that if they got the free hours at age 2, they would have substantially more income left over to buy those luxuries/holidays/clothes etc etc. Why on earth should all the other tax payers pay for this?
Generally speaking, people I know with two incomes (and paying nursery costs etc) still have far more disposable income left over than our family does. Nice cars. Holidays once a year etc. So why on earth would you begrudge a 2 yr old from a deprived background getting a chance in life?