Fuel and alcohol

We've been talking about the dangers of running MOGAS that containa
alcohol I thought this was interesting. I bought a new weed eater a few
months ago and let it sit for a few months. Now it will not start and
the shop is saying the alcohol they are putting in mogas nowadays is
cloging up the fuel lines and the carbs. They are recommended keeping
weed eater gas for no more than 30 days and to run the engine dry
before shutting down. If it does so much damage to weed eaters I'd hate
to think what could happen if you put it in airplanes.

-Robert