There were environmental arguments presented against stacking rocks, and there is nothing lost to an individual by not stacking rocks. There is no hunger or suffering involved by abstaining from that, but the counterpoint was, apparently, "DONT TELL ME WHAT TO DOOOOOOOOOOOOOOO."
:manhattan:
Is there really any difference between running a leaf lower and revving your engine through a dense residential neighborhood?
Turns out there is: leaf blowers are the fucking Devil.
Tldr of all the summarized research articles from the meta-article is that a leaf blower running for one hour equals a car driving 100 miles, the gas and oil mixture used is toxic as fuck, they produce an ungodly amount of pollution that actually can fuck up the ozone layer both in manufacturing of them and in running them (fun fact: summertime ozone levels have exceeded federal-based health standards every year since the passage of the Clean Air Act because of this bullshit). Also from personal experience hey cause noise disruption for any remaining wildlife within an area and fuck up sleep patterns (circadian rythms).
Tldr of Tldr: They are machines of Satan.