Much of the problem with carbs getting gummed up is due to the failure of the user to run the machine until the tank is empty. Every chainsaw I have (6 of them) I removed the factory fuel lines and replaced them with impermeable lines. The factory lines will absorb the alcohol from the fuel, swell and rot away. The impermeable lines do not. I have a 17yr old chainsaw runs with no problem, and it's not a pro saw, just a mid range big box store one.
If you have generators, wood splitters, snow blowers or anything else with a bowl type carb, you should shut off the fuel while it's running then allow it to run until it shuts off. If you don't have a fuel shut off, install one.
Even if a carb does get gummed up, they're not that hard to clean up, it just takes some patience and the right assortment of chemicals. The biggest issue on chainsaws and other 2 stroke machines is there's a little tiny screen right behind the fuel inlet. You'll have to take the carb apart to get to it, but if you can, it's easily cleaned with gummout or other carb cleaners.
Cleaning the jets can be little tougher but it can be done. If you get a carb that just doesn't want to get clean, they're generally $20 on Amazon, the only problem is getting them adjusted just right after that.
We shouldn't have to do all this, because ethanol shouldn't be in the fuel, and sadly finding ethanol free fuel is difficult and many times expensive. But machinery needs to be maintained, even without ethanol in the fuel.
All this reminds me, I have 3 machines sitting out there right now that I need to see if they run or not. Anyone need a walk behind 5hp leaf blower or a pair of monster size snow blowers?