Why is Queuing Sky Hydroponics Lab different?

[Buster's Uncle]

You know how you can just click on the other satellites repeatedly and fill up the queue, but to do that with the Sky Hydroponics Lab, you have to have something else in the production slot, and then switch?  Why is it different?

[Buster's Uncle]

My bad.  I checked my scient-Iffic copy, and I see this is already fixed.

...

But I still wonder why it was different...

[Buster's Uncle]

scient, I don't think I described the glitch sufficiently; here's some screenies:



If one goes to the build select screen by clicking on the queue and starting with an empty prod slot, it goes just as you describe.  But if the Sky Hydroponics Lab is already in the prod slot:



Something's missing.

It actually comes up a fair bit.  You don't get that inconveniencing crap with the other two:





As I said, it's already fixed, but why the difference to begin with?