You reap what you sow.
If you treat people the way he does, they’ll happily drop him and his company in the deep stuff by taking their pay to sit at home.
People who are treated well, appreciate that fact and also the fact that their absence lumps extra grief on one of their colleagues wouldn’t.
Having said that - this whole situation does have the potential to sink my business once and for all. There aren’t many of us and we work in close contact with each other. If one person comes into contact with someone who has it, we’ll effectively all have to self-isolate and shut down for 2 weeks - and we can’t afford to.