Inside view vs outside view, probably. You are looking at the myriad ways in which the system could absentmindedly crush your business; other people are extrapolating from their knowledge of previous similar cases.
Possibly it is just social convention. You have to be pessimistic about your business because it’s rude to gloat, and other people have to be optimistic about your business because it’s a form of well-wishing.
You also have to pessimistic about your business to make appropriate insurance decisions! (And not just literally buying insurance, or making side bets.)
Inside view vs outside view, probably. You are looking at the myriad ways in which the system could absentmindedly crush your business; other people are extrapolating from their knowledge of previous similar cases.
Possibly it is just social convention. You have to be pessimistic about your business because it’s rude to gloat, and other people have to be optimistic about your business because it’s a form of well-wishing.
You also have to pessimistic about your business to make appropriate insurance decisions! (And not just literally buying insurance, or making side bets.)