I have no special expertise in the area, but my understanding is that while it's not generally a crime to serve alcohol to someone who's clearly had too much, i

I have no special expertise in the area, but my understanding is that while it's not generally a crime to serve alcohol to someone who's clearly had too much, it can be grounds for suspending or revoking an establishment's liquor license in many jurisdictions (under e.g. a rule requiring that they "exercise reasonable care" to serve alcohol safely).