The user hfastedge has on his page an ad for some kind of service he's offering. I deleted it, with an explanation that even the people providing the server don't get to run ads on the Wikipedia. In response, I found the following on my talk page:
"OK. feel free to comment on my talk page, or on the ideas for wikipedia i have on my user page. But please don't change my advertisment again. Just because wikipedia is open source does not mean that money shouldnt be made off it. To think so demonstrates a terribly FLAWED chain of reasoning.
"Your changing of that section is understandable, but doing it again will send me off. If you cannot comprehend that at SOME POINT money has to be made, then I suggest you discontinue talk with me on this matter, or you approach me with the intent of curiosity, and an open mind. Try the service out if you are more curious, as I said, you'll get a free customized feature of your request, and you will be able to request more customized features from the pool of users. User:hfastedge"
He's wrong, imho, but I'd like some comments, so it doesn't look like a private argument between the two of us. Conversely, if I've misunderstood and ads on user pages are cool, I want to know that.