Decentralization is seen as a good thing in the cryptocurrency world. It turns anything that’s normally controlled by overbearing centralized authorities into a slippery eel that’s hard to shut down on. Decentralization system allow far more privacy than centralized system like google, facebook which collects enormous amount of data. Like as you said, the debate of centralized vs decentralized system is polarizing, both centralized and decentralized networks currently exist in popular platforms. Centralized platforms certainly have their time and place, especially for watching all activity on a network.