I’ve had this thought before too, but I don’t think there’s any overall limit on how artful rhyming poetry can be. It’s just harder and more time consuming. And yeah, sometimes you come up with a beautiful line and then can’t use it because it doesn’t fit with the syllable count.
I’ve always felt that constraining yourself to poetry that rhymes restricts both what you can say and the artfulness with which you can say it.
I’ve had this thought before too, but I don’t think there’s any overall limit on how artful rhyming poetry can be. It’s just harder and more time consuming. And yeah, sometimes you come up with a beautiful line and then can’t use it because it doesn’t fit with the syllable count.