[edit] I misinterpreted the intent of this comment to mean the complete opposite - the person I am replying to is NOT saying that there's no sequel because Hollywood is risk averse so my first paragraph is arguing a point they're not making, my bad

I agree with the statement but I feel like you have it backwards. Introducing a new cast and story is a risk, remaking or filming a sequel of a beloved movie is the safe bet they keep falling back on.

Maybe I'm in the minority here but I'm content that there's no sequel to District 9. The story was told well and had a proper ending. I loved the characters and world building but I don't need another story set there unless it was planned that way from the start.

Maybe it'd be good. I'd love to be wrong. I've just been burned way too many times by hamfisted sequels to get excited anymore - especially when the original came out as long as this one