You will notice that everything is automated now.  Even when it comes to stocks.  That is why there is Automated Stock Trading.  We do not have to do everything manually. Man and machine have worked together for a couple of decades already and man has always benefited from this relationship. 

So when you are just learning the principles behind stocks.  Know the principles and let the computer and the software do its job. Of course making huge amount of money from stocks requres skills that can be taught by those who have been doing that for years.  The computer just made it easier.