Way to blame a bug in your editor on someone else's.
Emacs autoconverts between the two line ending styles at open and close, unless you expressly tell it to do otherwise [1]. You had malicious editors using emacs. The editor wasn't the problem, the people using it were and they had to go out of their way to manage it.
1. https://www.emacswiki.org/emacs/EndOfLineTips#:~:text=(The%2....