I use this Neutron Detector with great success. I can empty even large systems with just one or two rounds around the main star. Small systems just need to be crossed once and they are empty. The Neutron Detector found very often single ships or groups of ships or juicy stations in the outer rims of large systems which i would never found without it.
I'm not going to watch an hour-and-a-half-long video to see what you mean by this, but it doesn't match my experience with Neutrino Detector at all - sure, if I bother using it I'll occasionally stumble across something I wouldn't otherwise have found, but most of the time I'll have found pretty much everything of value in the system just by visiting obvious points of interest, and on top of that a lot of the "value" of the things you can find in exploration is pretty dubious, especially by the time you have a decent fleet and a stable source of income or at least a lot of credits in the bank. 99% of derelicts and blueprints are things that the player probably isn't ever going to use, derelicts aren't really worth recovering for their resale value, and it's really hard to get excited about the commodities and other vendor trash that comprise the majority of what you get by salvaging/scrapping derelicts and stations even before you have a big late-game fleet and a few colonies giving you more money than you can readily spend on anything actually useful.
Additionally, carrying around a stack of volatiles so that I can use Neutrino Detector if I want is kind of a big opportunity cost at the stage of the game where I might actually find it useful to locate derelicts or stations that I wouldn't otherwise run into just visiting the obvious points of interest in a system - that stack of 50 or 100 or whatever volatiles is cargo space that I'm not using on revenue-generating cargo/salvage, or on the supplies that let me spend time surveying the fringe, or on the supplies that let me recover from a fight with pirates/remnant/whatever, or on the supplies that let me recondition a derelict that I'm actually interested in recovering at this early stage of the game when my fleet's still taking shape, or on the metals and transplutonics that let me build stable point structures, and it's often something that I'd have to go out of my way to obtain if I want to have it on hand since it's somewhat rare as salvage/loot and generally isn't worth buying as a trade good (at least in 0.96; I haven't tried 0.97 yet). On top of that, volatiles are, at least in my experience, generally a relatively expensive commodity whereas most of the stuff you get from derelicts and stations is low-value junk, and unless you're dragging around half a dozen Atlases or something else like that it's usually pretty easy to fill up cargo space just hitting obvious points of interest in a couple of systems, even if you're a bit picky about what you take instead of insisting on finding a way to sell every last bit of that massive stack of ore that the mining station dropped when you scrapped it despite the ore hardly being worth the fuel, supplies, and crew/officer wages it'll take to move it to the nearest merchant, so I just don't see where the return on what I'm spending, both in volatiles actually expended and in cargo space allocated to the rest of the stack, to use the Neutrino Detector is supposed to be coming from.