Dharma is also a superstition. People put too much negative weight on the term superstition. Dharma is a way of life driven by one of some set of superstition beliefs.

If you doubt this, ask a series of "why?" questions about Dharma and drill down into it until you stop hitting rational thought and start hitting belief about the nature of the universe and belief about the importance of righteous action.

You are blurring the distinction to drive home your point. The fact is, superstition carries a negative connotation. Discipline does not.

It doesn't really matter though, Dharma is still a superstition. So is not changing socks when your baseball team is in the championships.

Trying to parse it from other superstitions doesn't change the meaning or existence of the word, nor the fact that it's still classified under that category.

Speaking for myself, religion/dharma is not hurting others and being honest. It's not based on superstition, it just makes me feel happy. Happy is healthy.

Point being, the meaning of these terms are too broad to tag & generalize them with a few words.