Yes, and no. Relevant details. If the formalism bogs you down in tangential or irrelevant stuff, it means it's a poor fit.

But I don't think that's the case here. Most programmers don't have much experience with specs, and much less experience with formalized specs, especially if they come from an imperative background. I think those from declarative backgrounds will be much more at home with TLA+. The imperative style causes people to obsess over the "how", while the declarative style focuses more on the "what", and specs are more of a matter of "what" than "how".