It's never quite as simple as that!

Nice bit of provocative dressing from Ben Goldacre.

.....much awaited, we have possibly the finest all-purpose political t-shirt slogan ever conceived. Better still, they only reveal their true powers when you are standing next to someone who is also wearing a slogan t-shirt.

I look forward to suitably outrageous pickies of adjacent t-shirts.

I've thought a similar slogan associated with the phrase

I'm a string theorist. I can explain anything

is just biscuit as they say.