Not necessarily. Amazon aspires to have 100% of market share where it competes, or very close to. Other companies don't aspire to even 50% of market share. See

Not necessarily. Amazon aspires to have 100% of market share where it competes, or very close to. Other companies don't aspire to even 50% of market share. See Apple for example. They are happy to have the premium segment locked in and reap the profits out of it.