this is a discussion we often have where I work, where we're debating removing a feature due to difficulties maintaining it and few people needing it. I usually fight to keep it, with the argument "we aren't doing it for the people that don't need it, but for the ones that do." But at the end of the day, I'm not the one who has to pay for it.
The adage that nobody uses more than 25% of MS Word’s features — but it’s a different 25% for each user.