You wouldn't last in embedded development with that sort of attitude. When you're nearly out of RAM you can't afford to waste overhead of fat strings.
It was just fine, then there are those that nowadays even toy with C++17 on C64.
“Rich Code for Tiny Computers: A Simple Commodore 64 Game in C++17”
https://www.youtube.com/watch?v=zBkNBP00wJE
Really, unless we are talking about PIC and AVRs with like 4KB, we are optimizing for the wrong target.
You wouldn't last in embedded development with that sort of attitude. When you're nearly out of RAM you can't afford to waste overhead of fat strings.