Typically, production requires some consumption. At a base level, however, the outcomes can be guided, satisfying my ego and leaving my mark on the universe.

Would love to hear more! We rarely hear stories of people "stuck" on the making/ creative side. Exciting yes - but rarely addictive in the sense of taking so much time that the rest suffers?

It's common enough that there's a well-known term for it: workaholic.

For work work, I don't think this is what we were talking about.

But yes, not unfair, one example then might be some free software maintainers.