Litmus test

[thesummerqueen]

First, it sounds like you're giving a less-charming version of Phil Plait's Don't Be a Dick speech. We've been through it before.

Second,

Also to ban abuse would single handedly destroy the economy, think of all those fans of S&M porn....abuse, a matter of preference

I do believe he was discussing something slightly different. S&M porn, if it's legit, involves consent. The abuse he's discussing does not. If you consent to being humiliated, beaten, whipped, etc. - explicitly consent - then this argument has no bearing.