You mean Ether?!! LOL. It would evaporate and the fumes would ignite any nearby flame sources. If you had your fantastic fan on in your tear, you'd be the one oblivious for most of the night. I've heard bears even like *gasp* BEER .. even the cheap stuff!
Best defense, smear bacon grease on the noisy neighbors' tents (I kid, I kid!!!

). Although the thought has crossed my mind in some parks. Too bad those times weren't in bear country.
Hugs,
Ratkity