Psst, don't tell him about emacs and vi(m)...

There are feuds about open source tools all the time. Text editors, Linux distros, shells, programming languages, desktop environments, etc... And ugrep vs ripgrep may be a poster child for C++ vs Rust.

It is not all bad, it drives progress, and it usually stays at a technical level, I've yet to see people killing each others for their choice of command line search tool.