Yes! That is why deliberate practice requires some mentors or guiding factor. It's really hard to invest in deliberate pratice and most of us overlook it! When practicing quality > quantity.

I gave up a lot of hobbies because I didn't have mentor or guidance factor to help me get past the wall. You can only learn upto a certain point on your own. After that, it requires quite a lot of attention and focus to not suck.