I've been trying to understand this problem for years (https://superuser.com/questions/555886/why-cant-i-highlight-text-in-a-linux-terminal-emulator-with-shifta

I've been trying to understand this problem for years (https://superuser.com/questions/555886/why-cant-i-highlight-text-in-a-linux-terminal-emulator-with-shiftarrow-keys https://superuser.com/questions/555886/why-cant-i-highlight-...). It made me feel like a crazy person, since it seems that almost nobody even understands that something is wrong here.