Craigslist reportedly blocks search engines to kill competitors

As a PadMapper user this saddens me, but I can only wonder why they didn't do it sooner. Craigslist posts are so short-lived, I don't know why they would want them indexed.

Did these people do any fact checking? I just ran another test:<p>visit <a href="http://sfbay.craigslist.org/bia/" rel="nofollow">http://sfbay.craigslist.org/bia/</a><p>spot ad for a kids Giant MTX 250 bike <a href="http://sfbay.craigslist.org/nby/bik/3189980073.html" rel="nofollow">http://sfbay.craigslist.org/nby/bik/3189980073.html</a><p>perform a google search for the same thing <a href="http://www.google.com/search?q=site%3Acraigslist.org+giant+mtx+san+francisco&#38;btnG=Search" rel="nofollow">http://www.google.com/search?q=site%3Acraigslist.org+giant+m...</a><p>result number two in the set is that posting, with the following summary:<p>Giant MTX 250 Kid's Mountain Bike sfbay.craigslist.org/nby/bik/3189980073.html 4 minutes ago ... Giant kid sized hardtail mountain bike for sale. It is a 21 speed, and it has front suspension. The bike was always taken care of, and is in perfect ...<p>"4 minutes ago" tells me Google is having no problems hitting craigslist.