Ever had the "I told you so" user? how did you deal with their ticket?

I'm doing some remote troubleshooting and come to a conclusion that it's a docking station that has gone bad and Monday it's a 50/50 if it's the USB-C that has gone wrong or the docking station. If it's the laptop's port, he is most likely going to be saying "told you so" and will have a power trip. Monday is going to be fun.

Edit:thanks for the advice!! :D