Why Junglers? Just... why?

So we have a good chance to take first dragon. Mid, Jungle, Support and ADC are free. I ping dragon. They start going in. I start attacking it, putting down seeds as Zyra. Kayn aborts, bot then aborts and then mid aborts. I'm forced to abort a dragon at half-health; both me and it. I then type to the jungler. Sup: "The enemy team is going to steal it now. Why didn't you come?" Jungle: "I said no." Sup:"Well we lost it now." Jungle:"Ohh I'm scared." Mid:"Swiper no swiping." Jungle:"Snickers." Enemy team takes Mountain Drake Jungler:"Oh shit." Sup:"Fucking idiot."

Jungle then proceeded to ignore all times support warded and pinged for dragon. Or when others did it. Jungler lost three dragons in a row. I solo'ed the next one by myself and claimed it. Because if we want a dragon. I'm gonna have to solo take it as a support. Then Jungler proceeded to lose two barons in a row and an elder dragon.

And when I mean lose. I mean like they weren't even close to contesting it. Like they are looking for a hand-job in the opposite quadrant. Completely unaware of enemies missing, and where they just might be.

I honestly don't give one fuck about ganks or your kill potential as a jungler. I can do without them. I'm a kill support.

Just get the simple objectives that are in your role. Get them dragons and heralds. That's what I judge a jungler on.