I guess it's a case of speaking to individuals and working out what's actually going on - as a few people have said.
For example, in our area, the local primary school now finishes two hours early mid week to allow a deep clean half way through the week. The breakfast club is no more - school starts at 8.50am not the early bird of 7.30am. And there's no after schools clubs.
So at 1.15pm on Wednesday those kids are given to their parents and that's it, whereas pre-Covid the kids may have been at school until 4.30pm with after schools clubs then a friend or grandparent doing an hour or two to help.
A friend, who is a child minder, has had to drop her usual kids as her husband was shielding. She's still not prepared to have her usual 6 in her house so, when she does reopen now her DH has had his vaccination, she'll be taking 3 at most. That's three parents, just from her group, that are now looking at alternative child care when all our child minders were running waiting list pre-Covid!
In the past some parents would have used other family members to do school pick up or the kids would have gone to friends on days when grandparents etc couldn't do it. That's all now gone by the wayside to some extent as you can't cross bubbles. To be honest, I don't want other people's kids in our home at the moment. I'm sure a lot of my friends feel the same. So I wouldn't be willing to help where I'd have happily done it (and have) pre-Covid.
Now, our DS is 14 years old so, if I were working full time, he'd be letting himself in, getting a sandwich and getting on with his homework. If I'm WFH he'd have little or no impact on me at all.
But, during the summer holiday he used to go to a drama kids club for a couple of weeks. That didn't run last year and won't run this year. That's over 100 kids not in a club this summer in our area alone. Our secondary school used to run sports weeks during the summer - that's not happening either. But again, as he's 14 years old, he can amuse himself most of the time. Many can't.
So it's not quite as easy as saying WFH with childcare or get back into the workplace - they still won't be able to get childcare if it's not available so you'll lose them anyway.
I do agree that, where child care is available, it should be used. But it's not fair to base the demand that children are not in the house during work time on the assumption that child care is still available as it was pre-pandemic. One of the school gate mum's used to have a nanny twice a week when she worked from home. I don't know if she'd get that now - her son is the same age as mine so no need now.
Most parents I know, whether WFH or back in the workplace, want to do a good job of work. They are worried about leaving the kids to their own devices because child care has broken down and equally worried about not being able to do as much as they once could. Many parents are now doing a trapeze of work without the safety net of adequate childcare.
I don't know what the answer is but it has to start with honest conversations.