Tell Me How To Do My Job, Why Don’t You

I work in a hotel. Today while checking in a guest, I asked for an ID and a credit card. While handing me their ID:

Guest: “You can actually check someone in without an ID, you know.”

Me: “We do require a valid photo ID at check-in.”

Guest: “That’s incorrect. Only the government and banks can ask for and require an ID.”

After going back and forth for a few seconds I decided you can’t win arguing with crazy and just stopped engaging while finishing up checking them in.

Also, while I was writing their room number on their key packet, they noticed that I was left-handed and proceeded to tell me the statistics of left-handed people in insane asylums.