I've seen this commented on this forum here and there over the years, and it's something I've also observed. Generally, modern duty-grade semi-auto pistols are incredibly reliable and forgiving on the range. Going 1k+ rounds in one range day with no stoppages without being cleaned isn't particularly extraordinary for a basic full size duty pistol of reputable make. Many times these pistols go thousands of rounds between stoppages.
But when things go haywire, such as seen in the bodycams of officers in shootings, it seems like they have stoppages a lot more often. To a lesser extent I've observed this in particularly stressful training that puts strain on the shooter and gun.
During a podcast with Darryl Bolke, in the context of revolvers he talks about how they are less likely to have a malfunction during an actual shooting compared to a semi auto, but are less reliable on the range when running lots of ammo through them. Why is this? Why are semi autos so reliable on the range, but seemingly have much higher stoppage rates in actual shootings? I haven't compiled any actual data on this, it's just something I've observed and I've seen others here comment on it from time to time.
One answer is simply "limp wristing," but that seems too simplistic to be an explanation on its own.