I was going through the list of posts constituting the Carnival of Space week 10, clicking through to look at the topics which sounded interesting. When I went to see an argument for thinking big for the next moon rocket, I saw:

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When I tried to leave a comment informing the authors that they actually block folks coming through the host of the Carnival they were participating in, all I've got after pressing "submit" and filling in all the mandatory CAPTCHA hoopla was:

Invalid comment

This is almost a topic for we hates software, except that here we deal with hateful and/or clueless people instead of hateful software.

They really don't want to be read, do they?