An electrician’s work or a plumber’s work are also complex. Or carpenter’s.

Come on. This is not about complex theory being used, this is about messed up instruments, where layers upon layers of bullshit are laid to deliver upon hype.

People writing compilers and operating systems and cryptography libraries are those who need real education. People who make websites or Android apps on the framework of the day - need knowledge that is a thing in itself with no fundamental value.