I don’t know of one Reform or other non-halakhic rabbi offering kashrut supervision in this country. Ii’ve actually started compiling a list of items with a K where the K is actually indicative of rabbinic supervision.
Why was it considered acceptable to rely on reading ingredients 40-50 years ago by very frum people, but not so much anymore? Is it because of the huge array of items with a hechsher available nowadays?