If people start trusting these bots too much how would the following outcomes be avoided from causing people harm? (1) Coaxed into giving personal information

If people start trusting these bots too much how would the following outcomes be avoided from causing people harm? (1) Coaxed into giving personal information (2) Manipulated economically into buying stuff the other party is trying to dump (3) Manipulated politically to vote for whoever is backing up the project (4) Collect the "wisdom of crowds" and use it against them (5) Help marketers sell people more stuff they don't need'