I have to agree with longinvestor & rb here,
What's the basis for this platform with regard to headcount?
Berkshire: 367,671 [Berkshire Annual Report 2016, p. 116, - add to that at least the employees at Flying J]
Amazon: ? [I don't know, and I don't bother to look it up - please fill in.]
JP Morgan Chase & Co.: ? [I don't know, and I don't bother to look it up - please fill in.]
- - - o 0 o - - -
It's a lot.