You can also form very strong opinions early in your career and not know when they’re now invalid due to changes in tech/industry.
Was getting a quote for a new heat pump and had the guy tell me they were worthless if it got too cold. There have been consumer heat pumps that work down to -15°C with very little efficiency loss for well over a decade at this point. He had just been used to them not being worth it for long enough that he “didn’t believe it”.
You can also form very strong opinions early in your career and not know when they’re now invalid due to changes in tech/industry.
Was getting a quote for a new heat pump and had the guy tell me they were worthless if it got too cold. There have been consumer heat pumps that work down to -15°C with very little efficiency loss for well over a decade at this point. He had just been used to them not being worth it for long enough that he “didn’t believe it”.