Saw the BBC news report this morning. Personally I found it a little sad and if someone wanted to do something under anonimity there are plenty of other campaigns of schemes. This smacked of "look at me but don't look at me. I didn't get it
Heard about it on the radio. Very funny. He even takes the time to match the font, colour etc. He has his own free standing ladders so as not to lean against premises and has devised tools to apply stickers to signs from a distance.
Gloriously pointless and British 👏👏.