Sorry, but none of this is new in "the Covid-19 era". There is a long Wikipedia page dedicated to criticism of Amazon detailing decades of criticism of how Amazon treats its workers: https://en.wikipedia.org/wiki/Criticism_of_Amazon
Better of Tim to exit late than never, but let's not pretend that until recent firings and this blog post we all thought that Amazon was a nice and cuddly company. https://en.wikipedia.org/wiki/Tim_Bray says he started there in December 2014. He must have known at that point what he was getting into. For reference, here's the state of the criticism page at that time: https://en.wikipedia.org/w/index.php?title=Criticism_of_Amaz...