I spent some time working on it for sure. Eventually, you just want to your session to start in a way that works everytime, no matter what you're doing.
On that note, I've improved this template further since this note, mostly routing the final busses (before master) back to the monitoring bus/cue mix... and adding a midi track.
I've honestly spent more time with jackd2 and pipewire and linux tweaks to make this work than with Ardour. 🤣
One must be very committed to remaining Microsoft free. I'm nearly there... but not quite.