I know it doesn’t help you at the moment, but at some point between June last year and last week they’ve updated the kickstand to include an extra little crossbar up at the top of the metal u shaped piece of metal that makes up the stand so that you need to lose both pins for it to fall off now. (I ordered one last year and ordered a replacement kit for a 2nd steam deck that I’ve gifted to my wife) And I’m liking the look of the new design.

I’ll see if I can take a photo later on and share it to explain as I suspect my words aren’t doing a great job.