[solar-ice]

Largely because the Tories are also willing to be fairly openly xenophobic, which is very popular with a large portion of the public. "Making sure the poors don't take more than they deserve" is another one of their popular policies.

The more-well-off also think Tory policies will get them a house and security. In practice, the UK housing market is completely fucked and gets more so every year, but... it doesn't stop people believing it.

Basically the health of the NHS is about the tenth thing on some people's minds when voting, until they get cancer or break an arm, at which point they start complaining about it.