Because Blomkamp is a little weird.

But they're free on YouTube.

Think he's just trying to make back a little on the productions, because things cost money and people have to be paid for work.

There's also the connection to Halo. I might have the story a little wrong but I think Wingnut was going to use Session 9 as a test to see if a Halo movie would be someday feasable, kinda like they did with turning his original short Alive in Joburg into District 9. Alex Garland (meh.. but the Beach is one of my favorite contemporary novels) was set to write and Blomkamp to direct, but the unprecendented best picture nominations and such kinda shifted focus.

Then again, it's Steam not Microsoft and Halo isn't really on Steam in the first place so who knows?

Because he really loved Short Circuit 2 and thought it was a good idea remaking it with gore & people that barley speak Afrikaans, let alone English. Good director, awful screenwriter. Shorts are fine but for a feature he needs someone who can understand his accent well enough to call bullshit on his script ideas. I like where this is going though.