Red and Yellow

Travelling back from Docklands on the Docklands Light Railway, I noticed how McDonalds' red and yellow 'M' sprouts like a triumphantly prolific weed out of the wastelands.
'Ha Ha! We're HERE, TOO!', the vivid acrylic sign declares,
'EVERYWHERE, EVERYWHERE, EVERYWHERE!'
I turned away, thoughts of Japanese Knotweed in my head.