Some of the stuff described in the article is really unfortunate and all too often an outcome of a large bureaucracy. That doesn't make it okay. They need to come up with better procedures and err on the side of making sure people don't deliver while infected and that they get any sick pay they deserve.
Supposedly, there's a stimulus package coming out that may help give some people relief as well. And I think we need a whole lot more emphasis on preventative measures generally for this pandemic.
If the US had universal healthcare, this would be less of a problem. If we solved some of our other issues, like our housing supply issues, this would be less of a problem.
Blaming the distress these workers are experiencing entirely on the fact that they are gig workers isn't reasonable. That's just one piece of the picture here.