RIP I'm one of those people who go work at Google once every few years. The transformation of culture from about 2013 onwards has been somewhat sad to experience. Interestingly, most people who have been continuously employed there have not felt the very slight gradient. However, the changes in culture, freedom, food quality, etc are fairly obvious when one returns after ..say.. 18 months. Here are some semi-concrete…
Not sure what office you work or worked in, but where I'm at they regularly go over the top with decorations during celebrations. It's pretty awesome.