Talking to a drone pilot recently, of modifying his drone with a battery upgrade to give it 90 mins endurance and a nominal range of I forget.
"Won't that take it out of line of sight ?" says I.
"Well duh" says he.
Personally, in the machine I usually operate, I am not that worried about a smashed electronic gadget with a damaged Lipo battery penetrating the main spar and breaching a wing fuel tank.
But some should be.