The Pony logo was awesome. I wish it would've stuck more to be honest.
For mainstream fans it's really quite simple. Some extremely talented adults made a children's show. People of all ages enjoy and appreciate their work.
ANYTHING. EVER.
Besides rule 34 ponies isn't what is leveled against the fandom. It's the 'fact' that they're all pedophiles. Pedophiles that apparently want to broadcast this fact.