My post is not misleading.
Cost (incompatible with the efficient use of resources for placements that are not wholly independent and unreasonable public expenditure for those that are) is considered, but only if looking at more than one placement that can meet needs. If needs cannot be met at one/the other options, then cost isn’t relevant to the naming in the EHCP. A placement that cannot meet needs is pointless. That would be a waste of money. It will lead to further costs (financial and otherwise) in the longer term. So, yes, there is still provision DC with SEN don’t get and are not entitled to by law. No one is legally entitled to the best possible provision. It is not ‘almost unlimited’. To say otherwise shows a lack of knowledge of SEN law.
Besides, if you reduce the provision provided by education, social care and NHS costs would increase.
DS1 has a comprehensive EOTAS package. Yes, it is very, very expensive. He also receives children’s continuing care funding. Yes, also very expensive. The package of care the ICB funds would need to be significantly more if he didn’t have the EOTAS package he has. He has a smaller package than he otherwise would because he has a comprehensive EOTAS package. He would also cost the NHS more in other ways. For example, he receives therapies via his EOTAS package rather than the NHS. There would probably be an increase in the number of hospital admissions he has too.
DS3 also has a comprehensive EOTIS package. Very expensive but not as much as DS1’s. He receives social care support. If you reduced the education provision, his social care provision would increase. He too would also cost the NHS more e.g. therapies.
Both have some of their EOTAS/EOTIS provision delivered at home. Something we cannot be compelled to accept. If the LA reduced their provision (including the provision outside of the home), this is a decision we would need to revisit. If the LA were forced to find and fund suitable premises to deliver the provision we currently allow to happen at home, it would increase costs.
As I said, I know all about QALYs due to having DC on medication for an LLI that the NHS initially refused to fund. It wasn’t possible to buy it privately in the UK. Most, including us, could not afford to buy it abroad. That type of situation is far more nuanced than your post suggests.
There are lots of differences between the NHS and education. For example, if someone is unhappy with their local hospital, they can choose to go elsewhere. At the moment, at least. Although some ICBs have paused some RTC referrals for some conditions, not the ones you are using as examples. With education, you can’t just opt to use another LA. Another difference is you don’t have the huge numbers of people having to take the NHS to court just for an assessment. Yes, there are a few cases, but nowhere near on the scale of education. The vast majority of people who need suspected cancer investigating don't need to go to court to force the LA's hand. Similarly, there are far more upheld LGO cases than PHSO cases.