Fridge / Star Trek: Picard S3E06 "The Bounty"

• Fridge Brilliance kicks in with the security system being the four "sons" of Noonian Soong, specifically Data. Data did die on that planet but a part of him was still downloaded into B-4, WHICH MEANS a piece of him still exist inside B-4's head, allowing the institute to include him as part of the amalgamation.
• At first, it seems odd, if not an Ass Pull, that the Bounty Cloaking Device (which is now over a century out of date) could be used to fool contemporary Starfleet sensors. But as longtime Trek novelist Christopher L. Bennett argues on the Tor.com Review/Talkback, there are real world precedents for old school technology being an Achilles' heel for modern, more sophisticated systems and their operators — who wouldn't be versed in older systems and countermeasures, and thus ironically might have no idea how to deal with them.
  Bennett: My belief is that cloaking tech must be a constant battle between stealth and detection, with each old cloaking system being rendered obsolete as soon as it’s penetrated and then replaced by a different tech — which is why Trek has so many inconsistent portrayals of how cloaking works and whether it’s penetrable. Given that, it stands to reason that nobody would use a cloaking system that was rendered obsolete multiple generations ago, and so the countermeasures for that old system might have fallen out of use and been forgotten. It’s like how some stories show people using antiquated computer systems as a foolproof security measure, because nobody’s trained to use their software anymore and so they’re hack-proof.
• Similarly, it seems odd that Jack and Sidney would not steal the Invisibility Cloak off of the Defiant, which was the first Federation starship to have one. That said, the original Defiant was destroyed late in the seventh season of DS9; what we're looking at was originally the U.S.S. Sao Paulo, NCC-75633, a Legacy Character of a ship which Starfleet gave Sisko special dispensation to rename. This successor appears in only the last two episodes of the series, and was never canonically said to be equipped (or not) with a cloaking device.
  • And even if the Sao Paulo had been canonically equipped with a cloaking system, the Dominion War ended mere days after it was assigned to DS9. With the war over and the Dominion threat resolved for now, the Romulans would be very unlikely to continue leasing their proprietary technology in the form of a cloaking device to Starfleet — especially since, as Nemesis and the first season of Picard showed, pre-War tensions between the UFP and Romulans quickly resumed in the conflict's aftermath.
• While not a professional musician, Riker is still a long-established jazz aficionado and trombone player. So, Riker knows basic music theory and would thus be able to recognize the specific music notes Moriarty's playing over the Daystrom speakers (and from there the melody and deduction of who and what the Daystorm AI is).

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