I feel that this only applies to American English. In Philippine English (because of the influence of native languages), ‘Filipino’ is already in gender-neutral form. https://twitter.com/ABSCBNNews/status/1302491721503301634
In reply to https://twitter.com/ABSCBNNews/status/1302491721503301634 (https://www.frederickcalica.com/?p=3321683)