Screen.fullScreen useless in web player?

The script reference for Screen.fullScreen says:

My first question is, why not, since you can manually invoke fullscreen from the web player right-click menu and from a plugin call for widgets? Is is to prevent someone’s computer going fullscreen as soon as they browse onto an aggressive Unity web player?

My followup question is, if the variable is settable but ineffective in the web player, does that mean it can’t be used to detect if you’re in fullscreen mode? In other words, if you switch to fullscreen from the right-click menu, does that variable change?

In Unity 1.6.2 you can’t go fullscreen from a script.

The variable still reflects whether it’s currently fullscreen or not, just whenever you try to change it - it won’t actually change.

First: the reason you can’t go fullscreen in the Web player is to prevent the Unity Web player from phishing the user - a website could easily use Unity web player to fake a login screen.

Second, you’d have to test it to find out, but I’m guesing it’s just readonly.