You aren't wrong about the trend of solving the same problems over and over at higher points in the stack. But you missed the mark on responding to this article

You aren't wrong about the trend of solving the same problems over and over at higher points in the stack. But you missed the mark on responding to this article and the Service Mesh pattern, which usually operates at a lower network layer. In fact, if anything, the trend in microservices architecture is away from HTTP and back towards binary protocols over TCP (but, in this case, proxied via authenticated mTLS connections managed by an external service, but which also operate over TCP).