I've often heard that Romeo and Juliet are horny morons who get punished for their own stupidity, and it's an interpretation I really, really dislike. (As a sidenote; I've heard that the poem by Arthur Brooke, which Shakespeare used for inspiration, really was meant as a cautionary tale against the dangers of pre-marital love, but that Shakespeare in his adaptation decided to side with the lovers instead and make them much more sympathetic.)
Despite their recklessness and shallowness when it comes to romance, Romeo and Juliet are actually among the saner members of the cast. The entire city of Verona is occupied in this pointless feud that's been going on for so long that no one even knows what it's about anymore. Romeo and Juliet are among the few characters who learn to see the other family as something else than simply an object irrational hatred, and the two of them breaking away from this mindset is what finally ends the conflict and exposes just how ridiculous it all is. People point out that they only knew each other for a couple of days, but that is because of the feud keeping them separated from each other before the masquerade and then leading to their deaths after the masquerade. People complain that they choose to die because of their romance but seem to forget how absurd it is that they even had to face such a decision. People say they are reckless due to how they risk getting caught, but doesn't seem to care about why they have to worry about getting caught simply talking to each other in the first place. As people so often point out, they simply had a shallow teenage crush, in any sane world this would not have to be such a big secret. It's true that their deaths are a punishment for foolishness, but not for their own foolishenss, but rather for the foolishness of their parents (this is explicitly stated in the very last scene of the play). While I agree that they are very reckless and foolish, the truth is that if they didn't live in a world even more insane than they are, their tragic fates would likely have been avoided.
TL;DR: I think that Romeo and Juliet
makes more sense as a story about the pointlessness of hate rather than a story about the Power of Love
(although The Power of Love
still plays an important part in exposing said pointlessness).