I was thinking the same because I am a programmer and it’s quite easy to find programming job in another area. But then I thought about other industries, dor ex

I was thinking the same because I am a programmer and it’s quite easy to find programming job in another area. But then I thought about other industries, dor example if I’m researcher about LED lights for 20 years, then my other options for another non-LED related job is very limited. So I’m confident that there are many example as this which can prove your logic (and my initial thinking too) wrong.