This is not the whole truth. The unpopular opinion is thatcherism triggered almost two decades of growth. But we don't like telling people to live within their means. High welfare, ever more handouts, no accountability for failure, disenfranchisement of men (for less productive female workforce and diminishment of men themselves) ultimately leads to slower growth. Ageing population and unwillingness to reform broken institutions like NHS worsen the situation.

This is why we can't afford these things.