The motivation is that this is a viral story, so it's guaranteed to get views.
Bear in mind, every new story doesn't indicate a new sighting - these stories are mostly retreads of the same few incidents and a vague pins-and-twine narrative connecting other stories like the Pais patents to get some extra mileage out of it.
Yeah, there's been a lot of re-hashing and people are conflating the several different videos together along with the verbal descriptions by pilots and piecing together entirely made-up narratives.
In particular, the Alizondo character keeps popping up as some kind of head of a government research project. He's been trotting this stuff around for years, but according to a 2019 story in The Intercept, the dude's employment story doesn't check out: https://theintercept.com/2019/06/01/ufo-unidentified-history...
I suppose the news outlets are hungry for clicks now that Stable Genius isn't around to send them a zinger everyday.
Bear in mind, every new story doesn't indicate a new sighting - these stories are mostly retreads of the same few incidents and a vague pins-and-twine narrative connecting other stories like the Pais patents to get some extra mileage out of it.