Isn't the fundamental discussion we should be having if decentralization embodies trust? Is something decentralized automatically trustful? Or can trust only be

Isn't the fundamental discussion we should be having if decentralization embodies trust? Is something decentralized automatically trustful? Or can trust only be established in a decentralized way? Which way is it? The only thing I see people agreeing on is that centralized setups are never (infinitely) trustworthy.