Invincible covers this a lot.

It’s a major plot point in avengers as well, tbf, and why they spit up.

You can trust zero of it. Is that not the same?

Even storing full comments isn’t much more storage. Just consider it as another random comment from someone else. Doubt most people edit their comments so 95% of comments only have 1 copy. Hell they used (maybe still do) ignore edits in the first 5 min or something likely so people could fix typos/formatting before they start storing history separately.