Teachers are also paid crap because they continue to work for starvation wages. They should strike more because they will not receive more compensation with gentle pleas that are convenient.
You get that $70k in the big city school where those dollars do not go very far, while out in the boonies where a shitload of teaching is done, you make far, far, far less.
LCOL = low cost of living for anyone else who may need to look it up.
You would have this problem in any area where there is a lot money sloshing around, e.g. most cities in Switzerland. Unless you have some sort of rent control/social housing, or a lot of surplus market to satisfy a wide variety of demand, those people with money are going to simply outbid you.
They do not get 100 days of PTO. They get an hour per work week of PTO and a mandatory 2 month leave. You can't do anything with that leave because there is no simultaneous need for more workers for those two months in any other industry, so you are basically furloughed.
Keep in mind, the states that aren't killing education generally require serious credentials, like a 4 year degree, to make on average $70k a year.
This also completely ignores the mountains of unpaid work teachers do. Every single hour of homework they have to give out to ensure kids get the practice they need to internalize a lesson is at least an hour of grading work, and that's for the easy stuff like fill in the bubble tests that you can literally automate.
My mother regularly spent until 7pm working her teaching job, because that is what is required to be a good teacher.