And thankfully, the article body exercises honest scientific humility in its presentation, or at least strives too:
> suggests, proposes, appears that, hypothesizes, etc
But the headline? Gotta get those clicks and shares! "We've done it! We've figured out what the blobs are and it was that cinematic ancient planetary collision that created the moon too! Eureka!"
Of course, for a paper about geophysical and astronomical history, the consequences of this kind of overstatement are minor, but the editorial practice of doing so is a real problem that we should all probably pay some more attention to.