Its not that if they have advertised themselves as a drop-in replacement or not. What made me bummed that cannonical used it as drop-in replacement and it did break some of my installation scripts.
the uutils project bills themselves as a drop-in replacement for coreutils. sudo-rs does not bill itself as a drop-in replacement for sudo
Is it just me or does anyone else have the impression that the "chlampel" user only posts LLM-generated messages