That is the trend, but just because something is popular doesn't make it optimal. Developers are also excited about marginal gains from LLMs. The reality though is that most of those same teams could 2x their productivity by going back to a more retro stack, without losing quality, and also lowering costs in hosting and devops. The move to multi-service was for scale, but somewhere along the line people forgot to measure whether they needed that complexity at all.