What if, at the time you were pulled out no people of color were in line? You don't know. What if, at the time you were pulled out, all the people of color at the other kiosks were pulled out? You don't know. I am not saying I think the guards are racially profiling. I am only saying that sharing your anecdote does not get us closer to knowing. Based on my observations at the parks over spring break there are many higher numbers of white people at the park than people of color. That means that many more white people will be screened on the whole. Still does not mean there isn't a bias. Also, they may profile other catagories of people...single people, people under 40, people travelling without children etc.... Personally I believe that Disney probably paid some actuarial consulting firm to create some algorithm for them in order to catch those most likely to cause problems while eliminating the bias and inaccuracies that would most likely result from truly "random" screenings. In other words I'm sure there is plenty of "random" in the algorithm...but it isn't all random. But it's random enough not to show bias.