The original image has something along the lines of “I hate this system” and the smug guy in the well is saying “Ah, and yet you participate in said system!” as a gotcha. I think the purpose in this one is just carrying over the smugness with which people post the XKCD when any new possible technological standard is proposed (whether or not it has any merits)

Works on my machine

Assuming we ever find a way to get the plastic out of everything

I think the term the space boys use is “oblong ellipsoid” if you’re feeling pedantic.

Yes, but it’s the only even one. Making him the odd man out