It can also lead you to being banned from the game, slow down when making any changes, leveling up players, etc. It's a known issue for at least the last two seasons and was the main reason for getting the temporary ban in 18 for some people
The curve,slider in the middle of the plate is the pitch to hit, Can't wait for fastballs. If you hit the curve,slider your next sequence will be fastballs. Usually one curve an at bat is hittable, if you miss it you wont see any fastballs. Just the strategy that works for me.
Too many people all trying to watch videos, log off, turn off phone, go slow, try with wifi and without. After midnight pst, new batch seems to work better, always slow from 9-12 pst if they work at all.