Create Network option missing under Wifi for P2P ad-hoc networking (I'm a developer using Xamarin build host)

My goal is to use the P2P wireless networking so the Xamarin editor can deploy on the Mac for development and testing As of the latest version of Big Sur the option to have a P2P network seems to have been removed, which is unfortunate since while at a hotel, I can't have these two laptops directly connect to each other (P2P routing between adjacent devices isn't working) on the Hotel wifi. Is there a Terminal option or some other idea to enable this?