Being a Jack of all trades is good, but now its good only at an individual level. When it comes to progressing your career to the next level it’s this expertise that becomes crucial. Be the Master of one, and create your own unique space.
No two people are alike. Even in the same house, two siblings are not alike. Two identical twins are not alike either. Identical twins who share the same DNA patterns are also different in their thoughts, their opinions and their philosophies. It’s practically impossible to find a human being who is exactly like you and has the same belief systems as you do.