I found this picture on google and used it because I think it's a pretty cool idea. Just because you are intentionally logging times on segments doesn't mean you put any stock into it, or as we call here, "e-wang." It could be for any number of reasons, including legitimate training value. It doesn't take a rocket scientist to figure out that segments are often placed where folks tend to want to go all out and see what they can do anyways. No harm there - Strava just helps in aggregation and display of data.