Hard figures - more than half of the graduates from one of the top technical universities in the UK (Imperial) go to work for banks (computer scientists that is).
The reason is that they pay quite a bit more than most software houses do. Notable exceptions include Google which usually can match the starting salaries but otherwise, you're pretty much guaranteed to earn less.
The bottom line is that after several years of student life, a relatively high salary looks compelling and coupled with student loans to pay off, the choice is quite clear at this particular moment for the majority of people.
The reason is that they pay quite a bit more than most software houses do. Notable exceptions include Google which usually can match the starting salaries but otherwise, you're pretty much guaranteed to earn less.
The bottom line is that after several years of student life, a relatively high salary looks compelling and coupled with student loans to pay off, the choice is quite clear at this particular moment for the majority of people.