I bet $100 Netflix does the same. From my "experiments" during outages, it seems to show you a timer based progression from 0-25% no matter what, while it waits for stuff to queue/load properly, then it takes off to 26-100% in short order.

So when it Netflix is up, it slowly climbs 1-5% then rockets to 100% and plays.

When it's slow, sometimes it goes to 15%, then rockets up.

When it's down, it reaches 25% after 12.5s or whatever it is, then sits there forever/shows an error message.