Replace "edge" with any other hot term and that's your IT market. Even without demand and even without innovation a lot of stuff is changed all the time. Current systems are centralized? Well let's decentralized everything. Current systems are decentralized? Centralize. Every. Thing.

Watching it as engineer can be especially painful, because you already know that the other thing is not that much better. And more often this b.s. starts with the optimal trade-offs and turns into exactly what was carefully avoided with good architecture and decision making.

Sometimes I really think some of the managers are sitting there thinking "Yes, I know that you are smarter than me. But that is your disadvantage. Just to get some leverage I will now push for the stuff you told me to avoid again and again over the last 3 years, and you can't beat me in that approach because everything in you is fighting against this."