Yes, by "killer feature" I mean the reason it gained popularity, not trying to imply that it does a good job (as I think the rest of my post makes clear). It pr

Yes, by "killer feature" I mean the reason it gained popularity, not trying to imply that it does a good job (as I think the rest of my post makes clear). It provided a simple distribution mechanism that developers got excited about because they thought it meant they could bypass ops, even if they don't articulate it that way.