You hit the key point of the OP. I view his message isn't that everyone should do it. It's that starting a company has gotten so much easier that everyone serious about it should.
Taking his reasoning a step further... Look what companies like Google and Amazon were able to accomplish starting in tougher times. Now it is much easier to start something new.
Taking his reasoning a step further... Look what companies like Google and Amazon were able to accomplish starting in tougher times. Now it is much easier to start something new.