I hate having anything rammed down my throat, and many of us feel that way about alcohol in gasoline. But gasoline can have its octane boosted. The three most recent boosters have been lead (poisonous), MTBE (carcinogenic) and ethanol (corrosive to older materials and intoxicating ;-) ).
My approach now is to accept it and boost fuel delivery to work better with it (4% more fuel needed plus whatever else you choose to add, 6% in my case). 10% more fuel takes about 20% higher fuel pressure and a shift in the O2 sensors lambda setting from 1 to 0.94. Ethanol works fine. Here's a racing article: Ethanol in Racing