Hmmm. Must say this looks good. False hopes?
I like the elegance of it; it's so complex but so simple, because they managed to get a ride with what was already there.

Comments in the article:
…It’s brilliant….They hijacked a mechanism that is a normal part of the blood-brain barrier. ..
…It is “an elegant strategy” that provides “proof of principle” that this obstacle can be overcome…

Better not to believe I have the winning number for the next lottery -- this is the old too-good-to-be-true thing, right? Still, sounds good.