Sure, all available . Now that he knows more he does not want to sell to this person. The only way oshis right to only sell to customers he chooses is maintained is if the buyer is outed to oshi.

I wrote about this recently, consent obtained through a lie is not consent. The victim of the lie cannot give informed consent because you misinformed them. You fail consent class again. May all the women of nostr be warned to steer clear.

If I say I use it to lube between my butt cheeks to prevent chafing while jogging, he has every right to try to figure out which customer I am and stop selling to me in the future.

You again fail to see any perspective other than middle man or at best consumer. Go build something of value to the world. You'll see that the people who create are people with rights and autonomy too.