By listening to different points of view and deciding what best makes sense to us. That is why suppressing speech(es) is wrong.
Now imagine the next best thing: if Dell installed adblock on all its Windows before you bought them. It would be the best thing Dell ever did.
Now imagine the next next best thing: if someone broke into a Dell warehouse, installed adblock on all the computers, and didn't do anything else. This would be a horrible crime and the perpetrator must be brought to justice post-haste!