Certainly, there are ways around this drawback, like finding another spell that grants an extra turn before the turn created by Final Fortune ends or simply winning the game on that turn, which is the ultimate goal
There are a few ways to copy it at instant speed to get another one for another turn
And as I mentioned in my recent series of articles about the nature of power in Commander, free spells are uniquely important to this format
Food Commander Creature (21) 1x Academy Manufactor 1x Banquet Guests 1x Cauldron Familiar 1x Devouring Sugarmaw 1x Elanor Gardner 1x Experimental Confectioner 1x Farmer Cotton 1x Gilded Goose 1x Greta, Sweettooth Scourge 1x Gumdrop Poisoner 1x Gyome, Master Chef 1x Meriadoc Brandybuck 1x Peregrin Took 1x Provisions Merchant 1x Rapacious Guest 1x Sam, Loyal Attendant 1x Samwise Gamgee 1x Savvy Hunter 1x Sweettooth Witch 1x Tireless Provisioner Enchantment (3) Sorcery (3) Land (2) Artifact (1) Suggestions Updates Add Comments Attention
With various double-faced cards existing, you can cheat different cards into your command zone