>>1004210001. Actual fart-fetishists trying to popularize their fetish because there's relatively little of it.
2. Butt-fetish opposition. Fetishizing butts is common in black communities and farts/scat can ruin it for most.
3. Memers. Young idiots love to repost the same shit that's been posted countless times before.
4. Really immature people who're genuinely amused by the cheapest and laziest fart-jokes.