Throwing people out because they hold certain beliefs generally leads to groupthink effects that are lead to less clear thinking.
Having someone who plays devils advocate against the consensus is sometimes even helpful if everyone believes in the consensus.
Otherwise one often finds oneself arguing against strawmans that come from not fully understanding the argument that’s made by the opposing side.
Throwing people out because they hold certain beliefs generally leads to groupthink effects that are lead to less clear thinking.
Having someone who plays devils advocate against the consensus is sometimes even helpful if everyone believes in the consensus. Otherwise one often finds oneself arguing against strawmans that come from not fully understanding the argument that’s made by the opposing side.