@Linux_Is_Best I feel like what needs to happen is speech output needs to be on as a default. At least for the mainstream distros. Perhaps there could be a boot command line to disable it if the user is abled-bodied.
As far as Windows. Even the built-in screen magnification is active at the logon screen. So right when my computer starts up. I have an accessible environment. This video shows ZoomText. https://shorturl.at/wEMRW It's an industry standard as far as screen magnification on Windows.