I "show an interest" in space, but I'm not entitled/deluded enough to expect someone to deliver a shuttle to me, because that would be a waste of time/materials/energy/money.

It's the same here.

If you had spoken to people in the 1960s and told them how many transistors we would have on a chip in 2020, they probably would have called you delusional.

Also you are comparing a space shuttle to a few raspberry pis, hardly apples with apples.