Consolidated Pageviews accuracy

It’s not related to the new report which is using the same data you can find in other reports for a long time.

Concerning other questions:

What’s your basis to consider it suspect?

Even if only logged in, as you said some pages are still accessible as you said, especially /login. Can’t tell you exactly what’s going on with your instance with no data, but this is what I see on a similar instance: