Point is it's not their primary profit model. In fact, they'll make next to nothing on parking ads for these domains, being made-up names...unless their customers promote the domain before actually executing the transfer (which would not be a smart thing to do).
2. Adding value
3. Not using means such as using expiring names
4. Not using "bottom feeder" tactics like parking page advertising.
From wikipedia: cybersquatting:
" or using a domain name with bad faith intent to profit from the goodwill of a trademark belonging to someone else"
What goodwill or trademark are they misusing?
[Edit: For formatting, but couldn't get it to look like I want.]