All of which are subjective claims which depend entirely on what you already believe - not facts. Damn near every problem in the UK right now up to and including last year's doctor strike is a direct result of her weakening unions. Strong unions benefit all of society. They are it's most important defense against abuse. 
As for being elected. Scared voters are stupid voters. She made them fear Russia.

The true test of a leader is how the weakest and most vulnerable people did under them. Go ask gay people what Thatcher did to them. There is a reason they held celebratory parties when she died. She caused them endless grief and misery. 

Conservatives always seem to end up marginalising somebody, denying somebody rights they enjoy, oppressing somebody. When liberals demand equal rights for them you call it 'political correctness'. 

Well then it's a mantle I wear with pride. Only in a perfect world can it be morally justified not to keep changing everything.