Earlier quoted context omitted.
To be fair, you've fallen into the same trap. One person says they don't have a problem, you believe them and start saying the first statement must be misinformation. It's possible that both people are correct and the circumstances that cause the battery to drain require being connected to a AirTag, not just near any old AirTag. Or there are other circumstances that cause the battery to drain.
I don't think I have. I also have an iPad, and I have AirTags, and it does not have a battery drain problem, which is one additional data point for me. Plus, this is the default, expected behavior, and the post that started this discussion is disputing that. Without adequate evidence to back it up. The onus is on them to put forth convincing evidence, or it is nothing but another conspiracy theory. Presuming the stat…
They often don't know the right words to use, and have no idea why an issue is happening, or they might come up with a completely wrong explanation. So it's easy to dismiss their concerns by saying things like "this doesn't make sense" or "it works on my machine".
It's only when you start digging deeper, investigating what exactly the customer could mean, that you eventually discover the root of the issue.
Of course, these investigations are time consuming an expensive, often the customer stops following up with you, or you might not understand the behaviour well enough on your own. So very often you don't find the underlying cause.
But calling someone a liar just because you can't reproduce their problem is short-sighted and stupid.