DLSS works this way for all graphics cards, not just older models, which is why I never recommend optimizing games through Nvidia application. It’s better to manually adjust the in-game settings and disable the optimization feature.
You can also create a topic on the Nvidia forum to discuss this with the community or get support.
Here’s the link to the forum: NVIDIA App 11.0.2 Feedback Thread (R | NVIDIA GeForce Forums