Before a mass mob effect happens
. He is being straight up, and no one is forced to trade with him.
I don't view it as a scam, his terms are clear.
It does sound like bull**** about the reason of his rate, but that doesn't even matter.
I just equate it on the spectrum of giving a homeless guy $1.00 and then asking him for 1 cent back. Not to say the homeless guy = poker player haha... But I think you guys will understand the jist.
Just use him as option B