Presumably because they would be opposed to tax money being used to fund a project that they consider pointless.
I don't know if it's pointless, and there's plenty of room for "pointless" research (because we learn so much in the process). But I do wonder if it's prudent. I think it's cool either way.
That's silly. Goods arriving at East coast ports travel via systems I have no clue about.
Science often brings unexpected fruit. Cloning woolly mammoths may as well.
The moon landing was a propaganda stunt against the USSR. We have no need to revive literal mammoths.