From another perspective (perhaps not popular here): How does allowing access to restaurant websites help the bottom line? What is the risk? One malware outbreak can be enormously damaging.

How much time should IT employees spend unblocking restaurant websites instead of, for example, developing new applications that increase productivity? Arguably, an IT employee who is spending time unblocking restaurant websites might be viewed as negative ROI for their salary.

And users have phones, so there is an easy workaround.