You sound like the old Cockie. "We've been doing it that way since my grandfather's day, and it works fine." It doesn't mean that a new method won't work better. Just that he is not open to knowing it.
1. How would you know? (Seeing that this is new information)
2. Even if a fellow worker claimed so - would you even consider it?
3. As you have been vaccinated, it is their problem not yours.
GOD it's hard to be humble....Marum. (As the old song goes)
