I do! Though the most recent time was when I was at Tottenham Green Leisure Centre with Goodgym and we were stretching next to the library after our run. A young guy came up, stepped over us doing our stretches and tried to put an empty cup in the book return slot. I swore at him - not my finest moment!!
One reason for this is because it is very traversed by people in vehicles from all over. Block Wightman Road/the Ladder as discussed elsewhere in this forum and this will decrease in those areas at least.
Yes, these outsiders with aill their rubbish. What we want are more border controls . I'm all for a #Harrixit