Truth in this case, comes from the ability to be proven wrong. If they removed it, the truth wouldn’t have a chance to be relevant and challenge the wrong statement. I assume that is what Elon has in mind when he considers his site to be more truthful. Much on the common internet these days gets shut down and removed before even being able to be challenged. Like on Reddit. Which ironically leads to less truth, since less people have their opinions challenged and are instead removed, or the challenge is removed.