However after having run small businesses and/or freelancing for 10 years I can say that it is not something that everyone is cut out for.
The problem the cities have now is that they are not priced for people who work for a living. They are priced for people with access to intergenerational wealth and/or who don't work and just live off investments. Everything from the cost of property to the tax structure penalizes people who work severely and rewards people who own property and live off capital gains lavishly. Everything in the laws screams out "YOU SHOULD NOT BE WORKING HERE/EARNING A SALARY/STARTING A SMALL BUSINESS -- MOVE OUT, PEASANT."
People included in the "PEASANT" category include people earning low to mid six figure salaries. There is only so much that people will tolerate working hard to make their landlord rich. Other cities in the country that aren't the big offenders that everyone complains about don't really have this problem.
It is a problem that there is a solution for, though: move out, buy property, save money, work less, enjoy life more, get to keep the stuff that you used to give up to your landlord for the privilege of a few square feet in a dirty, stinky city with infrastructure that would humiliate someone from a country that isn't as backwards as the US.