Witty Rejoinder said:

Divine Angel said:

Cymek said:

Wouldn’t efficiency depend on how many people are activating them.
If it was only a few each night it might be viable compared to many an hour.

Around here kangaroos would activate them regularly.

AI could probably distinguish between drunken humans walking home from the pub and kangaroos hoping.

But what do kangaroos hope for in the middle of the night? Profound.