You have enemies? Good. That means you've stood up for something, sometime in your life.
Everybody has to be able to participate in a future that they want to live for. That's what technology can do.
As with Cesc Fabregas, some players who go and play for foreign clubs improve on a cultural level. It makes them grow on many levels; intellectually, because you have to learn a new language and adapt to another culture, and on a footballing level too.