When you don't care about whether what you're doing will actually work - when you're given permission to optimize "how" (for a certain definition of how) and ignore "why" (for a certain definition of why) - you have the permission structure to turn off your brain entirely and Do Best Practices.
Eventually, after enough product managers copy Google, the design pattern becomes a "best practice" and joins the canon of preferred methods that you can do unthinkingly, and then brag to your management for having done it. Don't measure results - it's a best practice so it is good by definition!