KDE’s fractional scaling is better than GNOME’s after Plasma 6 was released, in my experience. While GNOME still requires some technical expertise to enable fractional scaling, KDE Plasma 6 supports it out of the box.
Since this laptop uses Plasma 6 on Wayland, I’m not sure why this reviewer chose to reduce the screen resolution instead of adjusting the scaling when both settings are right next to each other.
About the technical part, Signal uses the Signal Protocol instead of RCS. (Google also uses the Signal Protocol to encrypt some RCS messages in Google Messages, but the Signal Protocol and RCS are not the same thing.)
Nintendo restricting game and app access on the Switch is also anticompetitive. However, Apple’s anticompetitive restrictions on iOS are a higher-priority problem because smartphones are essential communication devices while video game consoles are not.
And VSCodium is the project that releases builds from the VS Code source code. Privacy-conscious developers should use VSCodium (which is fully FOSS) instead of Visual Studio Code (which is partially proprietary and includes tracking).