That's a valid point for debate. Centralized tools do create a single point of failure, but manually juggling a dozen accounts is a huge security and efficiency risk in itself-think password management and human error. The key is balance. Use a reputable management platform for scheduling and analytics, but maintain separate, secure logins and consider solutions for managing those identities safely. The discussion around security and methods for managing multiple social media accounts is covered well in articles like this one:
https://gologin.com/blog/multiple-social-media-accounts/ .