There are new questions about whether Switch 2 specs will include a 4K video output. A popular insider reported that some dev kits are missing support for this resolution. On the other hand, Nintendo may be issuing multiple pre-release tools with varying capabilities. https://www.notebookcheck.net/Nintendo-Switch-2-leak-about-dev-kits-lacking-a-4K-output-contradicts-earlier-reports-on-specs.990632.0.html
Upscaled anyway so what does it matter