Does it really matters if a comment is made by a troll/shill/bot or just a normal illinformed individual? The real issue is people believing inaccurate or false

Does it really matters if a comment is made by a troll/shill/bot or just a normal illinformed individual? The real issue is people believing inaccurate or false statements, which at the end may result in bad state policies. We can't solve this problem by checking identities.