Right now we have the most access to information and knowledge than ever before. If I want to know about the inverse square law, I can look at my phone and say "Ok Google, explain inverse square law to me" and BOOM, thousands of links come up. If I want to know about guide numbers, BOOM, Google strikes again and tells me. Not only can I know more, it costs LESS to even start in the game, because we have the best technology available than ever before, with an extremely low barrier to entry.