I am sure there are professional home builders/construction workers/house flippers who never went to college. I bet one can learn building house from youtube.

I am sure there are professional home builders/construction workers/house flippers who never went to college. I bet one can learn building house from youtube. yet there are Architect/civil engineering degrees and large engineering firms that design and build skyscrapers/bridges/industrial facilities that require quite a bit of formal training. both of these engineering subtypes can coexist, same in software