Hm, my understanding from poorly-recalled internet surfing was that Google had a very strong culture of code reviews. But I suppose as a former (current?) Google employee you know better.
Google has a strong culture of code reviews, but that's not mutually exclusive to accepting an expedient but ugly solution and moving on. Most code reviewers are sensitive to pressure to launch; in rare occasions, you'll see something held up while a bunch of architectural decisions are redone, but usually the point of a code review is to fix obviously wrong or easily fixed issues, not to make massive changes that will block a launch.
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Hm, my understanding from poorly-recalled internet surfing was that Google had a very strong culture of code reviews. But I suppose as a former (current?) Google employee you know better.
Google has a strong culture of code reviews, but that's not mutually exclusive to accepting an expedient but ugly solution and moving on. Most code reviewers are sensitive to pressure to launch; in rare occasions, you'll see something held up while a bunch of architectural decisions are redone, but usually the point of a code review is to fix obviously wrong or easily fixed issues, not to make massive changes that will block a launch.