1. The possibility of wormholes isn't new.
2. You still need to be thinner than spaghetti to go through what they're talking about.
3. They're stretching the words 'relatively easy' to ludicrous limits: And because entanglement is a standard feature of quantum physics, it is relatively easy to create. “It’s really a beautiful theoretical idea,”
So, no. This doesn't tell us anything about the possibility, it merily tells us, even if it _was_ possible, we're collectively to stupid yet to deal with it without destroying our future which would've led to inventing such a device.
[1]: https://link.springer.com/article/10.1007/JHEP12(2017)151
Wormholes can be turned into time machine in the following way. Remember that time travel to the future is pretty trivial: Just accelerate a lot and enjoy the effects of time dilation. So in order to travel into the past, you create a wormhole pair and put one of the wormholes on a speedy two-way trip. If you now traverse the wormhole that was on the trip (and which has traveled into the future), you travel backwards in time. But not further than when the pair was created.
It is entirely plausible that the universe limits your interactions with your past causal self to a small range, allows arbitrary overlapping world lines, blocks all causal violations entirely, or has disastrous consequences for time loops.
My personal bet is that the universe has no reason to care that you've interacted with your past self given a consistent proper time worldline. This however removes conservation of energy and momentum in the universe, which General Relativity also does not preserve.
Of course this does allow for misuse of causal loops to generate arbitrarily large/infinite amounts of energy without any bounds on observability.
Who says science can't fill the soul with wonder?
inspirational quote: "Your future self is complaining about how much time you waste"
person: i'll show him! i'll ruin his f**ing life!
Honestly just encoding any communication through them successfully would turn our world upside down.
That said, wormholes are a bit of the pet crackpot theory of the scientific community right now. Black holes are definitely a thing. White holes are pure conjecture based on extrapolating math in very hand-wavey ways. And wormholes (i.e. the idea of black/white holes where information can travel between them) are even less plausible.
I take it they mean "easier than supplying 1000 galaxies-worth of energy" or similar
Uh, so no stargates anytime soon? That's disappointing.
I understand this is some form of hyperbole, but would what they propose be sufficient to transport masses of some raw elements around? Let's say some advanced civilization sent out mining expeditions, and desired a way to transport back that material FTL for example
Separately, Kurzgesagt did a video on stellar engines (which can be much less exotic than wormholes); sounds like what you're describing: https://youtu.be/v3y8AIEX_dU