

A plan or program to accomplish a goal is a scheme, whether it’s beneficial or not.
Handing out flyers that properly define what socialism and communism are with the intent of educating people that they aren’t the boogeyman is still passing out propaganda, even if it’s beneficial and correct.
So yes, scheme is appropriate.
He didn’t finish LOTR at 45, and arguably he never finished them as he was always fiddling with some story or another.
I’d say you’re still doing quite well