I got an offer from MSR a while back. I remember asking, "so... how do you guys ship?" and they actually thought this was funny, laughing and laughing. "That's so cute!"
Because for them, it was an impossibility.
Because for them, it was an impossibility.
Even in the cases where they productize it - the Program Manager on the product team is not going to get a bonus by taking on some new project in MSR in addition to the commitments filed last year.
So researchers get on just fine without slaying dragons to ship. More cool papers to publish anyway.