He sounds like he’s trying to get a rise. If that’s the case then ignoring him would be more effective. If he’s genuine, then let him buy what he wants. It’s his money and his mistake.
There are a very small number of people here who post like this, whatever the reason for it what can be easily debunked really should be.
They are not doing it to make people debunk them, that isn't the troll they have in mind, if that is the reason for the way they post.