It’s rare, but there have been tons of scenarios where it happens. For example, if the video wasn’t filmed all in one take, the first video file could be overwritten, or between swapping of SD cards it could get forgotten or lost. If you remember the Lili sets with Jaina as another example, some videos had to be filmed with a backup camera because of errors or running out of storage on the card (I forget which, it was almost 10 years ago). I could have misplaced it, but I’ve checked both the primary and backup drive and it wasn’t there, which leads me to believe it wasn’t ever sent and got lost / overwritten. But if I find it, it will get sent. This video was cut into two parts, I know because the video file number got skipped and this is the only one that remained. Why it got cut into two parts, I don’t know, but it has happened many times.