"Full shutdown" is achieved by doing precisely that in Windows8. If you want a proper reset, choose "restart".
"Shutdown" to most users means "turn the power off" rather than reset the internal state of the machine.
"Restart" means reset the internal state of the machine, and so it performs a full shutdown and reset.
Maybe they should call it "Reset" then. As long as no one confuses it with "Refresh".
"Shutdown" has done the same thing for 17 years. You expect people to notice the subtle nuances now? Maybe they should add a tutorial video,.