Google3 codebase very consistently has clean code, but some of the architecture there is very much not great. Some is great, some not so much. Some of Verizon

Google3 codebase very consistently has clean code, but some of the architecture there is very much not great. Some is great, some not so much. Some of Verizon's code was much more elegant (though much smaller scope) from an API perspective, and really leaned into advanced type systems in a way Google has not.