Clear those obstructions also. You seem to be arguing that because there are other obstructions, another one is okay. I get that one is extreme and the other is not.
I’m still of the opinion the people with the book locker should put in their yard, not obstructing the sidewalk.
The risk of loss is always 100%, regardless of whether the purchase price is $2, $200 or $.02. That’s why “it’s never too late to short” something that’s going to zero.