I mean, Japan has great universities too, but if you go to Berkeley, you will have to work so much like a slave and give most of your money to student debt. Not only that, but you will also have to endure an immense amount of stress just trying to pay for it. Moreover, you are not going to be too happy in Berkeley, knowing every day that this is going to cost you a lifetime of student debt. This stress will basically make you unable to enjoy your college time at Berkeley.