Ya man, people get these "general ideas" then do absolutely nothing about them other than make presentations and do slack chats, etc. Then someone takes your "general idea", works out the details, finances it with $18 million, organizes it and builds a $1 billion business.
Both Paul Sztorc (Pro Augur whiner) and Mimms (Pro Ethereum whiner) spend 90% of their time in and out of mental hospitals because someone like Vitalik actually built something they were incapable of building.