I am sure you have interviewed for many jobs, on both sides of the negotiation. Have you ever taken or offered a job without salary being discussed? If your brother or father did that would say I am glad you have trust or would you shake your head?
Depends on the people. There are people who are trustworthy and people who are not
They shook on the deal. And then Pollard prepared the contract it sounds like. I guess Campbell could have always not signed the contract if Pollard had tried to screw him. And Campbell could have pressured for more money. And then there might not have been a signed contract by Pollard.
Let's be thankful that both men were trustworthy. Pollard offered a fair contract for good money and Campbell thought it was fair as well.