Sure i agree, big business will grow. But by just having some market share , decentralization can have a big effect. For example, ebay, a mostly decentralized

Sure i agree, big business will grow. But by just having some market share , decentralization can have a big effect. For example, ebay, a mostly decentralized business, keeps Amazon in check and somewhat limits it's power and offers an alternative - and it probably forced Amazon to become a platform for others. Same goes for solar panels, Android roms, forums/blogs vs news, etc.