Sure, but util-linux and the BSDs won't suddenly cease to exist. If you don't like what Ubuntu is doing, just don't use it.
And then websites and applications stop working if you're not using a verified, attested, locked-down OS and you're stuck with your nice free software system that will not do your online banking, let you chat with your friends, or access your company resources.
And then websites and applications stop working if you're not using a verified, attested, locked-down OS and you're stuck with your nice free software system that will not do your online banking, let you chat with your friends, or access your company resources.