I have my own level of "good enough"...I think every quilter does. I let lots of little ooppsses go by without stopping to fix them. When I get a big one, I stop and consider it and decide whether I should fix it. Sometimes yes, sometimes no.
I made a quilt for my BFF who taught me how to quilt, and it had 2 vary large ooppsses....I didn't mention them to her until several months after I made it, and she swears she never saw them. She also vowed to never look for them...and I believe her. What appears imperfect to us appears perfect to the person we give it to with love. That's all there is to it.
I think a lot of quilters have been bitten by the Competition Bug, and that's fine, but the rest of us don't have to measure up to National Quilt Show standards. We can be our own home show standard!! :-)