This is a really interesting question, and got me thinking - maybe google's brutal interview process has a secondary purpose - to increase the allure of working at google? This reminds me of a business case I read once about the difference between Mac Donalds and Burger King. That Mac Donalds uses a batch processing method that is faster but requires a higher skill level, whereas BK uses an assembly line, and that th…
I expect that brutal interviewing is no different.