I'm not a Strava user for a reason similar to the OP. It's not that I'm concerned about comparing myself with other riders, but with my own past rides. If I'm not feeling 100%, there's a tendency not to ride, to avoid a slow ride compared to my earlier rides. I came to this realization decades ago, when I was running regularly and keeping track of my times on a six mile course. If I felt slow, I wouldn't want to run that day and have a slow time, so I quit tracking my times and just went out to enjoy the run. I started cycling because I had to give up running (knee problems) and went out with that same philosophy. Enjoy the ride, and avoid being competitive with my previous rides. Some days I ride faster than others, but I can't tell you how much faster because I'm not timing myself.