As a doomer, I make it a point to not bother the hopeful with my doom. Why argue? Why bring people down. Yeah, okay, I see something that they don’t, but forcibly informing them of it doesn’t do jack shit for them or me.
I still try to recycle and live fairly low impact. My greatest achievement on that end is not reproducing. We can fully believe mankind is completely and utterly fucked and still choose to be decent human beings.
So, OP, I’m sorry about the ones that see it necessary to run their mouths. It would be better if we kept our doom to ourselves.