"with a Linux-Implementation one can make no money..."

FUD and Lies.

There is NO reason what so ever that Poser could not be sold for linux, and even less reason to think it wouldn't sell.

mo·nop·o·ly  [muh-nop-uh-lee]
noun, plural mo·nop·o·lies.
1. exclusive control of a commodity or service in a particular market,
or a control that makes possible the manipulation of prices