I've never had the s8 videos for gems in either RS or BS which is weird because I've had them non-stop in DS and CS since they first introduced them. I've been a daily player for (too many) years so it's not like I would've missed them, lol. I understand that they're promotional and subject to the whims of s8's programmers or whomever is in charge of them but I genuinely don't understand why they can't/won't offer the videos to all players.
If they feel that they'd be losing out on sales if everyone always had the videos, then perhaps have the offers on a rotation of some sort or something similar. Like players in group A get the videos for one week then the next week it switches to a different group. There are thousands of ways they could set it up so that all players got the chance to have the videos. At this point in my playing, I don't really need the extra gems or gifts as I've got more stuff in my inventory then I could ever reasonably need; but there are many players out there struggling to start their bakeries and something like the prizes offered from these videos could really be a big help to them. Maybe going forward s8, you could try to spread the freebies around a bit more evenly?