So, while I am sorry that a bunch of cool hacks got shut down, it might be a pretty reasonable decision on CL's part to cut off Yahoo Pipes. Plus, it's his site to do with it what he wants...
(There is some great interview with him in Wired that got linked here not too long ago.)
But the sentence is moot since you already stated the facts previously.
they're not morally obligated to provide unfettered access to their data to anyone who wants it- i fail to see how it is "broken"
There's no way to (legitimately) outwardly index, categorize, or aggregate craigslist content.
(Related gripe: apartment searching in google is useless too: http://www.google.com/search?q=mountain+view+apartments It gets slightly better with searching on maps, but not by much.)
Want a map view so you can see all the relevant listings in one view?
Want craigslist to deliberately filter the same text or picture used for different listed apartments or jobs so you don't waste your time or get scammed?
Want to search by squarefoot or by actual bedrooms or by picture?
Apple would say "There's an app for that." Craigslist says "screw you".
Craigslist gains value from it's users not they other way around.