Since the disastrous launch of the RTX 50 series, NVIDIA has been unable to escape negative headlines: scalper bots are snatching GPUs away from consumers before official sales even begin, power connectors continue to melt, with no fix in sight, marketing is becoming increasingly deceptive, GPUs are missing processing units when they leave the factory, and the drivers, for which NVIDIA has always been praised, are currently falling apart. And to top it all off, NVIDIA is becoming increasingly insistent that media push a certain narrative when reporting on their hardware.
The docs I linked to LITERALLY explain what it is, how it works, and the mechanics behind it. Not until DLSS 4 released earlier this year do the docs mention any kind of way to employ the use of of models to anything at all.