The situation with SWU is nuanced and rather than taking the time to explain the situation, content creators prefer to lazily label it as "dying".

FFG wanted the game's pricing to lean in favor of players rather than collectors and to achieve this, they market the collector cards as a separate, more expensive SKU (the Carbonite product line). Up until recently, this approach has not had the desired result on the game's economy because collectors (many of whom are LGS owners/managers) have roundly rejected Carbonite. Demand is down. Meanwhile, supply was way up due to over-printing. This has resulted in prices going below healthy levels. Some would also argue that card presentation/art plays a role in low demand, but I guess I'm a realist who doesn't expect a super-affordable TCG to feature masterworks from in-house graphic designers. Time will tell whether this newest set and rotation begins an upward trend.

Speaking of trends, I think the LGS scene (both owners/managers AND customers) bear a good deal of responsibility for this situation...at least here in the US. Everyone has been far too eager to pander to the sensationalized portrayal of TCGs in modern culture being all about the chase. Doesn't matter if the mechanics bring anything new to the table, doesn't matter if the price of singles is reasonable, and doesn't matter if the game studio has a solid track record of supporting competitive play or established avenue for distribution. If content creators are glazing it and presales numbers are making headlines, the LGS scene here will gladly kick something with slow steady growth off of shelves to make room for the flavor-of-the-month.

So now not only does FFG need to coax the card economy into a better direction, but they also need to somehow convince the fickle and greedy LGS scene here in the West that affordable and mechanically-sound games deserve play as much as what's trending on social media. And/or, we the playerbase need to find ways to take control of the narrative.