alt Hacker NewsYou could also say the same with desktops. Desktops abstracted CLI commands like mv or ls. People who are taught on desktops will get scared when they see a terminal.
Yet programmers will still know commands. Abstractions can make things easier but it doesn't require losing skills.
Desktops don't abstract CLI commands. Both are different interfaces on the same thing underlying. Both coreutils and Windows Explorer are "abstractions" (as you call them, but they're actually interfaces) on filesystems.