

Maybe a positive side effect will be OS and applications beginning to be more conscious of their RAM consumption. I am absolutely certain that due to the era of cheap memory storage, applications (browsers especially) have gotten insanely bloated.
Keep AI models out of your web browser and core operating system, and maybe 4GB can still cut it.

Do you have your wifi password saved in your KDE wallet?
There is an option to not save your wifi password using the wallet, otherwise you will be prompted at startup as soon as it attempts to connect to wifi.