Well.
We have public street drama v. 3.0 going on in General right now. There's a lot of "you did this" and "no I did not" and "my butler said" and "you can't prove it" and "I'm afraid to do anything for fear of being falsely accused and blocked." etc. etc.
How about a tagline for plots in public streets that says something like "Yellow Crumb seeds planted by So-and-So" and "Purple flowers were harvested by This-Other-Glitch"?
Clarity, transparency, accountability. Sunshine! Rainbows! Ponies!