I agree that this looks like a good place to meet up and socialise.
It looks like a very pleasant space.
The complications over what you might see on streetview compared to your photos needs to be in the supplementary information- you need to make life easy for the reviewer.
If the sign is causing an issue is there another distinctive spot in the park where a photo could be taken that will work as an anchor point for the park?
We are happy to work with you.