I wonder whether the solution to the problem of being overwhelmed by whackjobs / trolls is to create clients with the capability of recognizing these toxic indi

I wonder whether the solution to the problem of being overwhelmed by whackjobs / trolls is to create clients with the capability of recognizing these toxic individuals and blocking or isolating them automatically. Essentially create a filterbubble that protects you from individuals you would avoid in real life. Spam filters exist that block bad emails, that makes me think that a filter could be created to block bad posts in a decentralized social network.