Like I'm not even an expert but I coulda told you that nature already knows what to do with the leaves (https://www.pbs.org/newshour/science/to-rake-or-not-to-rake-expert-tips-for-eco-friendly-autumnal-lawn-care). This isn't just conservatives, who usually do the yard work themselves, but liberals too. Except the libs hire immigrants to do landscaping, rake the leaves, and then leave them in bags for trash guys to pick them up where they'll go to a landfill or be burned or whatever.
california has already passed a ban on them (for 2024). those little two-strokes are extremely dirty, it's not like they've got a catalytic converter or anything