Egyptian protesters don't have faith in the Mubarak regime's promised reforms, and have vowed to continue their fight despite continued repression. See
http://www.nytimes.com/2011/02/09/world/middleeast/09egypt.html?_r=1&ref=global-home
Meanwhile, Western archaeologists have rallied around the regime, and one of their number has even suggested that Antiquities Minister Hawass be made Prime Minister. See
http://www.huffingtonpost.com/robert-eisenman/zahi-hawass-for-prime-min_b_818317.html
There may be innocent blood on the streets, but the promise of continued access to archaeological sites in the country evidently speaks louder to many Western archaeologists.