Echoing another comment in this thread, I’m from Argentina and I’ve seen maybe one leaf blower in my entire lifetime. However, I’ve been to the US , so I believe you (my condolences)

If my understanding is correct, leaf blowers contribute a lot to the current massive bug die-off that’s been happening lately all over, because many bug species reproduce in leaf litter. In that regard, they’re not only terrible noise-wise, but ecologically-wise as well.

So, terrible all around.