That’s overly simplified. Provinces don’t all recieve the same amount of Federal funding for healthcare. Alberta recieved about 6 billion in Federal funding for healthcare, while PEI recieved about 223 million in 2023. Alberta can afford to pay Healthcare professionals more and have been poaching those professionals from Atlantic Canada creating crises in places like Nova Scotia where the population has greatly increased through the pandemic. So, yes of course if you pay those professionals more you’ll solve problems in some places and cause more problems elsewhere.
Now, provinces can up their own taxes to make up for short falls, but guess how popular that will make the ruling parties that chose that.
The solution needs to be a lot more nuanced than just pay them more.
Edit: clarification
What’s keeping him in the race is the delusional nature of his supporters. Think about all those points you wrote about what a horrible person he is. How many other candidates could survive even one of those controversies? He lives in an imaginary world of his own creation where whatever he says he believes to be true, and his cult like followers are so brainwashed that their perfectly smooth grey matter just soaks it up like a sponge. There’s precious little he could do or say at this point that would have his base leave him.