If manufacturers specifically marketed those for running, then they’re at fault, yeah. Otherwise, if you take the basic idea of how it works, you’d know it probably won’t cut it for running. Anti-skip works by basically reading ahead (faster than playback) and caching a few seconds of playback (in a place that’s not the disc so it’s not affected by vibrations) so that when a sudden shock happens every once in a while, playback will continue from the cache and the normal disc reading will have time to catch up; if however every step you do while running is potentially a shock big enough to disrupt the reading of the disc, the caching just won’t have time to catch up.
If manufacturers specifically marketed those for running, then they’re at fault, yeah. Otherwise, if you take the basic idea of how it works, you’d know it probably won’t cut it for running. Anti-skip works by basically reading ahead (faster than playback) and caching a few seconds of playback (in a place that’s not the disc so it’s not affected by vibrations) so that when a sudden shock happens every once in a while, playback will continue from the cache and the normal disc reading will have time to catch up; if however every step you do while running is potentially a shock big enough to disrupt the reading of the disc, the caching just won’t have time to catch up.
P.S. Sorry if that sounded a bit rant-y.