I feel similarly... not because I think she would have been particularly well-written in that run but because it started a decade+ long trend where Storm could be relegated to leadership of side titles and have no bearing on the primary storylines. Ex: somehow in the entire Decimation era, the character with the most significant arc about losing her powers seemingly has no ideas about the direction that mutantkind should take.
My non A-lister answer is Karma. No specific era, but there just seems to be a ton of times where she's nowhere to be found (shoot she's even MIA right now) and I find her to be a genuinely interesting character.