What the fuck else are people supposed to do with their yard?
If you don't cut the grass, it grows and eventually you'll start getting brush. Not to mention lots of idiots have HOAs which mandate they cut the grass.
Badges and "identification" can be bought at dollar stores.
Nobody is going to be able to check their authenticity in the middle of a firefight, and by the time you let criminals enter your house to show you their "ID", it's already too late.
That's not true. There's one bot that routinely posts to news communities called "MicroWave" and there are consistently people engaging with its posts.
Why are you so confident in your understanding of it?