Surprised that FF removing a codec broke a P2P video app and a bank hardware OTP

From recent release notes:¹

Chrome removed Theora support in 2024 and Firefox followed suit in version 130 (which broke brasilian banking OTPs: https://bugzilla.mozilla.org/show_bug.cgi?id=1930548 ).

¹ https://www.hyphanet.org/freenet-hyphanet-build-1499-privacy-networking-css-ux-cleanups.html

Who caught the craze to think that killing the first libre video codec that got traction on the web could be a good idea?