Did you even listen? They were dropped from heath insurance four times. Sounds exactly like being denied coverage.
You really have a rude attitude towards a family who are denied coverage four times because they have an autistic son.
Under Obamacare: You Can’t Be Denied Coverage For Any Reason
Title I Sec. 2712. Prohibition on rescissions. Prohibits all plans from rescinding (dropping) coverage except in instances of fraud or misrepresentation and/or non payment.
An insurance company can drop out of an exchange but they have to give you 30 days to find other insurance.
They either failed to pay which makes sense at the outrageous cost they were being charged and based on their complaints or they committed fraud (unlikely) or misrepresented their needs (also unlikely).
As for the family they were not denied coverage. They’re a small business and they simply couldn’t afford it.