That's unfortunate, I've never encountered a rage quitter. I had a similar experience as you when I started; went 1W/9L then stopped for the night, lol. The first thing I learnt were combos, which was a mistake. Took me a while to adjust and learn the basics of this complex game until I saw some improvements. Now online is where I have the most fun. Especially playing with some friends.
Have you completed the story? Yeah, the game has some very interesting customisations.
Bought an arcade stick (HORI Real Arcade Pro V).... I think I'm hooked on this but it makes the game so much more enjoyable than my Xbox One controller. The irony is I drop $300 on that but I'm too tight to buy the Elite Xbox One controller for half that price... hmm.