The cost would need to be much cheaper than the PSA then. At a buck per picked up cigarette butt, you could pay a person to do this much faster and more reliably. Heck… I’d do it at that rate.
You could just buy cartons of cigarettes and chop off the butts, at that rate.
I joke, but this is surely what would eventuate.
That is maybe based on Hanoi rat massacre. https://en.wikipedia.org/wiki/Great_Hanoi_Rat_Massacre
Thanks!