Originally Posted by PornMD

Domains like that usually don't drop and folks that own them aren't squatters (or at least technically cybersquatters). Cybersquatters would be buying typos of existing sites or domains like GooglePorn.com, and with parking having gone downhill and more and more TM holders understanding they can usually take the lead and get them easily with a legal threat, the risk isn't worth the reward as much anymore, so a lot of those are likely dropping vs. the past.