Everybody can make predictions on everything, including btc. It's the degree of accuracy that counts. I've been predicting $400-$600 range all along. Learn that.
Typically the sentiments that markets are controlled by unforeseen forces or are entirely unpredictable are held by those that have been unsuccessful.
I'd say there's definitely a parallel between ancient civilizations attributing every plague to 'god didit' and poor traders attributing their problems to 'whales didit'
Its a cop-out answer to a problem they're unable to solve. We have a great tutorial on the site and even with a limited understanding of TA most people can become successful traders in cryptocurrency markets.