Maybe the sort of person who has the time/desire/interest to study a guide to figure out how to fit in at google is exactly the sort of person they want to hire.
Yeah, I don’t think my whiteboarding skills are particularly useful at work, but the personality type that makes me obsessively practice whiteboarding for weeks before a job interview tour also makes me effective at work.
The bikeshedding engineer is exactly what Google or Amazon is looking for. Nothing wrong with that either, I just take issue with the entire industry standardizing around that type of engineer.
You're given a problem, there are usually a few clear-cut ways to solve it. You're expected to find an optimal or near optimal solution fairly quickly, and explain your approach clearly. That's it.
I've thought the more open-ended, unstructured interviews lead to more bikeshedding opportunities.