I don't want to sound classist or too entitled. But I am deeply familiar with developers in FANG unable to handle the complexity of a relatively not difficult

I don't want to sound classist or too entitled. But I am deeply familiar with developers in FANG unable to handle the complexity of a relatively not difficult project. Moreover the time necessary to train a perfectly capable new grand is absurd. I keep thinking that it is a very difficult job, with absurd upside if well done.