At Google many PhDs may end up working on compilers, language runtimes, vulnerability research data center power saving/cooling and so on. And yeah most import

At Google many PhDs may end up working on compilers, language runtimes, vulnerability research data center power saving/cooling and so on. And yeah most importantly implementing menu in Google carplay. So I guess difference is Google has many types of work whereas at McKinsey it is slick MBAs facing fools looking to part with their money.