Are those EZY ends still around? They’re so much easier to use than others and require almost no tools. (I do recommend a Knipex Pliers Wrench or similar to close them.) But per Neutrik they never sold well.
Amphenol also discontinued their similar (not as good, IMO) “IDC” line.
As far as I can tell they did not stick around for long, just some new old stock to be found on eBay. They were a breeze to terminate, but they did seem substantially more fragile than a soldered termination. If you put your ear up to the connector and rotated the cable, you could hear the wire strands inside crunching around a little bit.
They worked well for me in a studio where I was the only one moving the cables around, or in this case connecting a cable and leaving it in place for a while, but I would not trust them to survive for long in other situations with movement like outdoors, at a gig, in a rented studio, etc.
My goal was to use them to test a variety of raw cables. What ended up happening was I put them on the DA202, loved the results, and left them on.