>We take about 225-250 million years to revolve once around the galaxy's center. This length of time is called a cosmic year.
So in the 13 billion years or so since the big bang, the galaxy has only spun around ~40 times. How is that enough for all the stars and systems to line up on a disk-shaped flat plain, from a cloud? One would think it would have taken hundreds, thousands of revolutions, maybe millions for something this big to line up so orderly