I'd expect that in academia for the most part. But this is a consumer product, so they aren't going to follow technical fields, and my hunch is that's for marke

I'd expect that in academia for the most part. But this is a consumer product, so they aren't going to follow technical fields, and my hunch is that's for marketing reasons (it looks more authentic). But even then, rounding to the error rate is a standard practice, but it certainly does mean it's wrong or even unethical, it's just pointless not to. Unless of course your motivation is driven by marketing/sales.