I dont think it's actually fair to blame all this on parents? We live in a society where all parents are expected to work. In nurseries they are expected to sit doing phonics and writing and there is little outside space. Its no longer safe or acceptable for children to play outside unsupervised. Nurseries are also reluctant to have children out of nappies if they are having accidents. There are downsides to putting children in group childcare for most of their waking hours
I'm another one who's not remotely surprised by the survey findings. As someone who has spent an awful lots of time in primary schools I am only too aware that there is an awful lot of shit parenting around, and this is not to be excused; parents must take the bulk of the responsibility for their children's early education and development . However, I also agree with @FumingTRex and @takealettermsjones that parenting is only part of the puzzle, and that the overall picture is more nuanced.
Coming to parenthood I was hugely privileged and in the best possible position to raise DD well; she is the child who can identify leaves and wild flowers, was swimming at least weekly from two, had well developed social skills from our regular trips to the market/local cafe/on public transport, knew all her single letter sounds before starting school and so on. This is because I was a SAHM who had worked as a primary teacher and who holds one Master's in an area relating to child psychology and development and another in children's literature. When DD started Reception shortly after the pandemic she was described by staff as 'exceptional'. She isn't (other than to us!) - just of above average ability, and extremely well prepped for school compared to the vast majority of her peers, because I was fortunate enough to have the background and resources that I did.
All around me, though, I see other parents - no matter how hardworking and well- intentioned - struggling. @FumingTRex's point above about nurseries is very valid - I've nothing against the idea of nurseries per se (we used a good local one a couple of days a week to help socialise DD) but the quality of the childcare they offer is highly variable, and very often tiny children are spending the bulk of their waking hours there with their parents having little real idea of what they're doing all day. And every bit of messaging that comes out of government, whether it be Tory or Labour, is based around extended childcare hours and getting parents (mainly women) back into the workplace, with very little consideration of the quality of said childcare.
Ditto schools - I am amazed, even as someone who was teaching myself a decade ago, how sedentary and screen-based DD's education has been so far at our (on paper and by word of mouth) highly rated local school. There is an obsession with core maths and phonics from the outset, little outdoor time, no time for any of the nature appreciation etc that I had as a child, little in the way of Arts or anything hands-on... It's basically Death By PowerPoint all day, every day, with homework also set on apps and gamefied so the children get the dopamine hit of the screen time. I know from speaking with friends, many of whom are also teachers, that this is fairly typical at least where we are (London suburb) and we are finding that we have to do at least one physical activity after school with DD every day to tire her out, as there is so little incidental exercise at school.
None of it feels holistic or wholesome in any way, and I feel like we have as a society veered hugely off-course when it comes to our children and what we regard as beneficial/optimal for them.