> Being polite:
I'm sure you're already aware of this, but condescendingly stating that you're being polite is the opposite of being polite.
> we know fences work.
No, you don't know that.
You may know they solve the visible problem (suicide), but you don't know if they do anything to alleviate the conditions that lead to suicide.
Is there anyone who believes fences make people happier or less depressed?