Earlier quoted context omitted.
Because there was a privacy policy it's hard to understand how that could be a mistake. The insinuation is the reviewer was not acting in hood faith.
Which brings us to: It's unclear why the author of the article decided that the reviewer was not acting in good faith.
That may not be malice, of course. It could just be incompetence (someone running an automated scanner and not verifying that the results are correct), someone trusted with a job they're not capable of doing, or maybe it's just Mozilla pretending someone reviewed the addon while using shitty AI like ChatGPT to do all the work.
The email even directly links to resources that are supposedly "minified, concatenated or otherwise machine-generated". That's simply not true.