of course you wouldn't get a negative opinion from anyone on the Zapper Forum . people always have technical arguments to back up their point of view. soy is a perfect example; there are scientific arguments for, and against. your viewpoint determines which facts you'll know and agree with.
but... regardless of any info that comes to light on this thread, i must say, i'm truly tickled pink that you thought enough about it to ask this question. i value that you had enough interest in it to ask.
don't believe everything you hear here about amps being the only dangerous part. i'm proof.