Of course, you won't get "spotted" on those roads, nobody will see your "sweet trackstand" at the lights because there often aren't any light controlled junctions, you won't get a chance to look cool in front of all those adoring pedestrians, on your "fixie" with your "messenger bag" because there won't be many pedestrians around.
Try that strange little book called the A to Z of london and chain your inner hipster to the radiator.
What are you going on about?! Ok, we get it, you have a problem with 'hipsters', you're a proper cyclist, fine, good, whatever.
What are you going on about?! Ok, we get it, you have a problem with 'hipsters', you're a proper cyclist, fine, good, whatever.