This one is a classic, an issue that doesn't negatively effect one person, yet raises this level of emotion.
I have to go back to the most basic question ... how is anybody harmed if the emoji set is expanded?
And if no one is harmed, how could anybody be against it?
On the face of it, nobody is harmed in the slightest if the emoticon set is expanded, but we can still have an opinion on it. This new set of smileys will cause issues for some, at some point. We now have to think if a smiley is 'suitable' for a particular recipient. It's stupid.
"Hey you sent me a yellow smiley and I'm black. I'm offended that you didn't take the time to select the black smiley" etc.