nostr:npub1slyc6w2fy6t7sk7e5caxclu2dn629l35n4tkjyxzrqndkpq86x2sfut8j7

Speaking from experience, doing 40 hours of Trailhead a week is not the most fun experience even if you would stick to the more technical Trails. 

However, there are some really good modules on the platform even though the article focuses (of course) on those that are not immediately useful to a developer. 
"4th Industrial Revolution" was the central Sales pitch  a while ago (before the dawn of "AI") and might be actually useful for an AE getting the right spin on their sales stuff.