[rondini]

1/6 is 4/24 or 16.6%, I don't see why we have to be so pedantic.

That aside, the work of prioritizing accommodations is already done. Just read through the WCAG criteria, start with level A, then AA. They already determined what the most critical issues are to accommodate everyone who uses your app. I find it extremely callous to frame people's ability to use your product in terms of the revenue they have to offer you. A storefront has to build a ramp because everyone deserves basic human decency, not because they want wheelchair users to spend money inside.