Yes, but many of them care about different twenty-percentses, so you probably still need the whole thing to keep the number of users you currently have. BUT if

Yes, but many of them care about different twenty-percentses, so you probably still need the whole thing to keep the number of users you currently have. BUT if you can find a feature that few people use, but which requires a lot of maintenance and/or ongoing development time, get rid of that bit and enjoy a higher ROI.