Honestly, it's an interesting question as to whether and to what extent it's unethical for an editor to pressure an author to get drunk if the purpose is intended in good faith to get creative juices flowing.
Not so with the romance side of things, of course. That's pretty black-and-white. I mean, one has to be pretty careful about pursuing workplace romances in the first place, too. The guy's definitely in deeply questionable territory. Many worse beginnings have been made into healthy relationships, but...
Speaking of which, back to our main characters. uwu