Free Software Foundation founder describes Valve's Linux Steam plans as "unethical"

"Non-free game programs (like other non-free programs) are unethical because they deny freedom to their users," wrote Stallman on his blog.
 
"If you want freedom, one requisite for it is not having non-free programs on your computer. However, if you're going to use these games, you're better off using them on GNU/Linux rather than on Microsoft Windows."
 
He added: "Any GNU/Linux distro [distribution] that comes with software to offer these games will teach users that the point is not freedom. Non-free software in GNU/Linux distros already works against the goal of freedom. Adding these games to a distro would augment that effect."

We get Stillman's point; but here's the thing: I still want to play Left 4 Dead on Linux, even if I have to pay for it. Why wouldn't I?