The competitive pieces aren't mandatory. And even then, even if you're weak, you can team up with other players, and you get to use 6 Pokemon vs. just one or a

The competitive pieces aren't mandatory. And even then, even if you're weak, you can team up with other players, and you get to use 6 Pokemon vs. just one or a few. The level differences will become more marginal as well as the experience required to level raises exponentially.