Oh interesting, I missed that detail, nice! I still think the borrowed power systems are what take up the bulk of the team's efforts. They should hopefully be able to churn out 8 dungeons and 1 raid without worrying about covenants and all of that. Consider how complicated and time consuming it is to do four different convenant campaigns, conduits, soulbinds, etc. Or in BFA the azerite armor, heart of azeroth, quests for that. Point is, I'm optimistic the professions system will be robust enough to provide content for players and the talent system is just going to be an ongoing iteration (it provides them a ton of knobs to turn for class balance, which means small changes can easily be made on the fly - one of the biggest benefits of talents IMO).