This is the correct answer. Microsoft used to ask things like "Why are manholes square" or "How many dentists are there in USA". For a while it got trendy to ask those sort of brainteasers in interviews (thankfully it didn't seem to stick).
It is very hard to change established processed - especially when the people doing the interviews have gone through the process.
They had to suffer, so why should the people after them get an easier ride?
