It’s pretty clear over the last decade in Calif. that vegetation needs to be cleared for a vast swath from electrical distribution infrastructure.
Either that or peeps need to go off grid.
Trimming trees by power line with helicopter
https://www.youtube.com/watch?v=Mfz1YrpMbBg
Deer Hunter Leaps From Tree to Escape Helicopter Tree Trimmer
http://www.montanaoutdoor.com/2013/10/hunter-leapt-from-tree-stand-to-avoid-helicopter-tree-trimmer/