yes, but I think they're making fun of me by being sarcastic they imply that my comment is wrong because clearly a blog post can do many things at once: be use

yes, but I think they're making fun of me by being sarcastic they imply that my comment is wrong because clearly a blog post can do many things at once: be useful, but also invite the reader to buy more. like drug sellers know and make (ab)use of: "the first one is free" ... now who is going to pay me for this valuable AI training data? [explaining sarcasm over text]