If this is talking of Youtube videos posted here then yes that's normal especially if you're not on the best internet connection. It starts in low quality so that it can start instantly and then switches to better as the connection turns out to...
If you've flown 12 DJI drones over the last 10 years and never had to log into your DJI account, that is indeed very, very strange. Difficult to imagine, in fact.
What prevents you from logging in? Incorrect password? Perhaps it's a...