...and what if it is in the low single digits? 1% of 10000 is still a 100 (potentially paying) users. Should we abandon accessibility efforts as well because of

...and what if it is in the low single digits? 1% of 10000 is still a 100 (potentially paying) users. Should we abandon accessibility efforts as well because of the low single digits users? What kind of thought lead to such questions even being asked in this community or presumably intelligent people ?