There is a Doco really worth watching called The Light Bulb Conspiracy.
While there are some facts about fixing the life & prices of bulbs by the major manufacturers, much of it is about how people are trained or cultured to believe "old is bad" and new is good; "Throw away the old and buy the new". With no thought to repairs.
It is interesting how this is done and how people are manipulated with this notion:
https://www.youtube.com/watch?v=kdHIqa53-tY&t=15s