"Fanwank" is a meaningless term that should be put to rest with Mary Sue. No one can agree on what any of these terms mean, and they're are probably better ways of stating whatever anyone intends.
You run a star trek show or write for it. You have decades of backstory. If you try to ignore it, you're going to look ridiculous. Even in reboot form, you're going to stick your shoe in old footprints. That doesn't mean you HAVE to glory in old moments just to get a cheap appreciation from fans, the easy way out, but it can add tremendously in ways that doesn't hurt the storytelling. It is all about the stories. A little scenery doesn't hurt the story if you don't get lost in it.
TWOK, for instance, paints this picture of an old arch enemy. Happens from a previous episode, yes, but you don't actually have to have scene Space Seed, or even have ever seen TOS at all, to get TWOK.
DSC mentions USS Shran. There's an odd ship name. Oh there's a ensign named Decker. Lot of people on that ship, wonder which one he or she is. For people who know those names, great, but they're not getting in the way. You're not pulled to the side by Lt Commander Loremaster to explain WHY those names are important.
TSFS may be the episode that does go too far in that regard just by actually replaying too much previous footage of the LAST movie. Saved money, I'm sure but it was unnecessary. "Hey you liked watching Spock die of radiation burns so much, let's show it again!"
Other movies did the same thing at the time though. The cut of Superman II that made it to the theaters also played previous movie scenes, so it was not alone in that regard. Directors were not quite ready for the age of VCR. Star Wars got around the issue with the Crawl. TWOK did the same thing with a handful of lines by Montalban, Koenig, and Shatner.
You run a star trek show or write for it. You have decades of backstory. If you try to ignore it, you're going to look ridiculous. Even in reboot form, you're going to stick your shoe in old footprints. That doesn't mean you HAVE to glory in old moments just to get a cheap appreciation from fans, the easy way out, but it can add tremendously in ways that doesn't hurt the storytelling. It is all about the stories. A little scenery doesn't hurt the story if you don't get lost in it.
TWOK, for instance, paints this picture of an old arch enemy. Happens from a previous episode, yes, but you don't actually have to have scene Space Seed, or even have ever seen TOS at all, to get TWOK.
DSC mentions USS Shran. There's an odd ship name. Oh there's a ensign named Decker. Lot of people on that ship, wonder which one he or she is. For people who know those names, great, but they're not getting in the way. You're not pulled to the side by Lt Commander Loremaster to explain WHY those names are important.
TSFS may be the episode that does go too far in that regard just by actually replaying too much previous footage of the LAST movie. Saved money, I'm sure but it was unnecessary. "Hey you liked watching Spock die of radiation burns so much, let's show it again!"
Other movies did the same thing at the time though. The cut of Superman II that made it to the theaters also played previous movie scenes, so it was not alone in that regard. Directors were not quite ready for the age of VCR. Star Wars got around the issue with the Crawl. TWOK did the same thing with a handful of lines by Montalban, Koenig, and Shatner.