It's very obvious, very, very obvious
pepsi and coke
it means both companies owned by a single person or a group of people
example
if I create two products using the company logo people will only choose one of my product it means my flow of profit is 50/50 but if my two products will compete with each other using different logo my flow of profit is 100%
you never seen a true business competition, a true business competition is a very deadly game as the Japanese said Business is war and war means there is blood