Breakthroughs were rarely made by lone geniuses even before. Sure, there are some, but even Edison had a huge lab full of people doing the work. Bell labs was

Breakthroughs were rarely made by lone geniuses even before. Sure, there are some, but even Edison had a huge lab full of people doing the work. Bell labs was extremely successful (at least on the innovation front) not due to lone geniuses, but due to a large collection of very smart people all collaborating together.