Some of them work, and others don't
The ones that don't, half of people commenting say they can see them, the other half cant
Maybe I'll starting encoding them all before I upload them to here, I don't want to bother you with that :)
Discussion
So it looks like the videos you get from telegram use the AAC codec, but after re-encoding them they use h264. I wonder if Telegram converts uploads to a less compatible format. This is the version encoded in h264.
https://media.nicecrew.digital/6f038ace3d4d33b99c94ca69a9b019336db240efb837df3541547e681bc8eb88.mp4