It is evident these days that Google has started its drift from their vintage image of extremely talented and humble professionals with a near perfect interview process to the more common tech pools of mediocre engineers who work hard to get into google more than just talent. The recruiters (phd interns) felt like they had to carry out the interviews and scheduling forcefully amidst the thousands of applications they receive. The interviews were so standard to an extent, I sometimes wonder how would they differentiate between a person who really has a good problem solving and thought process and someone who has practiced those questions for hundreds of hours to just game the system. The last interviewer went to an extent as to say he was volunteering because google had asked him to, so he pretty much had no interest in how interviews would be evaluated or whether a candidate is interested (implicitly telling to not ask questions about the internship role and stuff). The process from resume submission to rejection took 3.5 months for a phd internship position. Just reflect on whether it is even worthwhile for a phd in the midst of its research program to dedicate this much time for a rejection for an intern role and for a role where he/she would at the end be matched to a generic project. (could be worthwhile if you have no other options in case your phd project prospects in industry are not good)