Is there a way to crowd source this thing? Like, is it possible to build a database of companies and their unethical contract practices? Before signing any cont

Is there a way to crowd source this thing? Like, is it possible to build a database of companies and their unethical contract practices? Before signing any contract, a person can simply check this database for any red flags (through a website or an app)? I understand this won't save all cases, but it might help?