Consular cards were not designed to be identification and no treaty recognizes them as such. Legal travelers visitors and long-term residents carried passports visas or green cards for that purpose.
Yes they broke the law but we can't deport them. Let's get over this pointing fingers and do something about that whether it - they have to pay a fine learn to speak English the history you can do that. And then you have to give visas for the skills we need.