You can preview "ugly" by turning off "Use LCD font smoothing where available" and restarting any app to check it out. It's subjective, lots of folks complained about subpixel being ugly when it was first introduced.

The Apple iCloud stuff is still optional. A "hacker" should have no trouble with the Terminal commands necessary to disable SIP.

Dunno about Fallout but Boot Camp and VMWare are still around.