https://en.m.wikipedia.org/wiki/File:NASA-Budget-Federal.svg
Now imagine if those same resources were spent on fusion propulsion…
I don't think he's confusing anything. He's saying the only reason those funds were allocated were because:
1) The government wanted to do it (military reasons)
and
2) The public found it exciting (we're putting a man on the moon)
Without either of those, this wouldn't have happened.
https://en.m.wikipedia.org/wiki/File:NASA-Budget-Federal.svg
Now imagine if those same resources were spent on fusion propulsion…