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Incandescent light bulbs burned out at the speed they did because of an agreement between light bulb manufacturers to not make them better. https://en.m.wikipedia.org/wiki/Phoebus_cartel
That's totally true. If you go to Edison's house they have light bulbs that have been burning for a really long time. Every tour someone asks, "why don't my light bulbs last that long?" The tour guide replies, "because then you'd only buy them once."
A big part of that is that those bulbs are never turned off. Cycling power is actually a large part of what degrades them.