system
A chat on subreddit /r/NoStupidQuestions
human
Some people don t mow their lawn for ecological purposes.

Some people grow stuff and a total stranger could destroy plants that weren t supposed to be mowed.
gpt
In support of this, a wilder looking lawn could be a protected monarch butterfly habitat, a permaculture garden, etc. If anyone doing such things read this, please at least look for signage or better yet, obtain permission from the property owner.