Making the group of people you are discriminating against seem so tiny that you can think of it as inconsequential is a common ethics violation emotional compensation strategy.

“Not quite ready for prime time” is never a valid excuse for software inaccessibility. The best accessibility is included from the design phase, not jammed in at the end.

Demanding a business case for accessibility is ableist

Everything that makes accessibility difficult ties back to one root cause: People not giving a damn about others who are different.