A colleague posted an article (https://learnosity.com/not-invented-here-syndrome-explained/) about Not Invented Here Syndrome. This is the tendency for a group to prefer things that they have built versus those that others have created.
The contrasting position is the We Must Do This Because Google Are Doing It (https://blog.bradfieldcs.com/you-are-not-google-84912cf44afb). This is the tendency to try to use techniques that have been successfully used in other large organisations.
You need to know the context of a solution and try to see if it is applicable.
Wardley Maps can help here. (https://twitter.com/swardley/status/764147364605100032) Wardley Maps in Elivish.
You don’t need to invent everything yourself (https://www.ted.com/talks/thomas_thwaites_how_i_built_a_toaster_from_scratch?language=en) nor can you typically acquire everything.
Developer Rants 