Yeah that’s about the face I was expecting him to be making. It’s the “Please knock my lights out” face. The mental agony face.
Working long hours is sometimes justified: but unless you’re the CEO you should be getting extra pay or time off in lieu. Anything else is wage theft.
PLA is widely used as a medical plastic and its normal decomposition is into lactic acid.
Even if it is just being atomized down into smaller and smaller particles it’s safer for you than any other common plastic.
The colorants added are the only risk