Back to the original post:

Google has delisted sites for selling things based on PR (remember Search King?).
If people are selling a site and using its DMOZ listing as something to get a better price for the sale, why should they not delist it? (Besides, who is stupid enough to pay more for a site that has a DMOZ listing!)

I also doubt it gets delisted. Most likely what is happening is the site is removed from public view for a further review at a later date to see if any hijack has taken place. If not, it will probably be back on public view at some stage.

Some may see that as lame, I see it as a good quality control means to prevent the selling of domains based on the potential to hijack a domain listing just to get a DMOZ listing (and threads complain about that happening!). Given how many hijacks happen of sites that are listed in DMOZ (and the complaints about that), I would have thought such a pro-active stance by DMOZ would have been applauded!

The paradoxical thing is we have this thread complaining about it. Its just as likely to see a thread bashing DMOZ if a domain was sold and it kept a listing that was hijacked!