He's not complaining about how challenging starting a business is. He's complaining about how London is not actually a good environment to start it in. And he d

He's not complaining about how challenging starting a business is. He's complaining about how London is not actually a good environment to start it in. And he did something about it - he packed his bags and headed for the healthier environment of Silicon Valley. He did what's good for him and his business. The problem isn't him, it's London. If it's so unhelpful to good founders that they feel a need to pack up and leave, then London has a cultural problem.