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Yep. The logic is simple: If it forms the backbone of your business model, and you don't control/own it, you're screwed.

I guarantee you that any further growth in Poser would stop almost dead cold, right then and there (Pirate Bay pending, natch). Smith Micro knows it, and even though you won't admit it, upon thinking it through, you know it too.

Hate to say it, but until SM gets off their butts and comes up with a decent mesh set of their own, they're at DAZ' mercy.

I don't think you are properly accounting for the actual number of paying Poser users and everything we're doing with it.  There's a large community built around this program; people who bought it fairly and expect to pay a fair price again for the next version.  It doesn't mean we're all buying content here, or from Daz, or any other place...  Many people simply depend on Poser to help them do a job...  (Remember Poser sightings?  Not so easy to spot them these days...) 

Sometimes you just need an easy way to animate a person.  Starting fom scratch with that goal alone, Poser is easily one of the best choices you could make.  Still.