They're bluffing
I'm not budging off of Win10. It does what I need, and I like my taskbar vertical down the side.
Surely the EU or US government will step in and call this out as a national security issue. Effectively MS will be extorting millions of businesses and people to pay for extended support to prevent their devices being taken over and encrypted. Will they send around virtual people with baseball bats if you miss a payment? Have they found a loophole to the potential banning of ransomware payments?