People who aren’t scientologists will be unsurprised to learn that e-meters are pseudoscientific bullshit. People who are scientologists will be too brainwashed to care about trivial things like “facts” and “evidence”.

It's kind of a self-report in a way. The fact that they're even making a big deal about it indicates there is something they don't want members to see. If they had just ignored it, like you say, nobody would have cared on either side lol.