Especially as the cost to serve this content approaches zero.

I find the take in the blog to be relatively hostile. It's a "technically correct" rant. Not wrong, but mostly missing the point, and being a bit of a dick in the process.

Sure - block the readers that make a request every 10 seconds. It's perfectly reasonable to block clients if they hit a limit like 20 to 50 requests in a day.

It's damn hostile to block for 24 hours after a single request. If the 10MB of traffic for 20 requests is going to break the bank... maybe don't host an atom or RSS feed at all?

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That said - weirdos can weird on their own sites as they like. It's not a public service.

But I bucket this into the same category of weird as posting a whole bunch of threatening "no trespassing", "beware of dog", "homeowner is armed", "Solicitors not welcome", etc style signs all over their property.

Like - point out on the doll where the rss client hurt you. Because something's up.