> At these companies, algorithms and the basics are fundamentally important. Because you tend to work on tiny parts of a massive whole, there is no tolerance for cowboy-coding and not following best-practices. IMO the interviews test that you can fall in line and follow the patterns that have been in place for decades.

... have they gotten a lot better since 2015?

https://www.darkcoding.net/software/facebooks-code-quality-p...