I don't think a GUF2 with a 241 is great value either, as you are only saving 50% of the avios difference compared to a non-241 booking. You have only saved 25,000 avios each in your case, valuing the GUF2 at 50k avios.
nux, everyone's situation is no doubt different. I can see your logic but in our case I currently have 3 GUF2s and 2 Chase travel-together tickets with the oldest of each due to expire soon. I may as well save 50,000 Avios as there's no point keeping hold of them for them to simply expire.
Without this specific information I can see your general point though.
An upgraded revenue fare doesn't need award availability.
Only if booked through a TA with the upgrade done at the time of booking.