I too am puzzled as to why a poster is almost 'congratulated' for stating on this forum the he/she did not witness any incidents of unrest whilst recently in Luxor, as they are obviously just posting details of what the situation was during their visit, which is hardly an unusual scenario. But that doesn't mean that anybody who DOES post that they have witnessed some rowdy incidents on the streets of Luxor is 'making it up' either.
Had the OP visited a week earlier than they did, or a week later than they did, their report may have been very different - or exactly the same, who could say ?
But as StunningStu points out, there HAVE been and doubtless will be many more incidents of public unrest in Luxor, but that does not mean that any potential visitors should be unnecessarily worried by it, as the chances of it having any adverse effect on their holiday will probably be minimal.
So if on their return they post that 'all is well', then that's great for everybody and their report should be noted, but no congratulations are necessary IMO, just as no condemnations are necessary should any poster return from Luxor with a very different report, which, as Julian C suggests, should also be noted.