The concept of sidecars in containers and microservices has become widespread, but they may not be the best solution. Sidecars slow down applications and add complexity to managing communications between services. However, service meshes like Istio have made it easier to manage these challenges by providing a centralized means of governing services. But, service meshes suffer from two key problems: high resource consumption and slow performance. The sidecar pattern doubles the number of containers running, consuming more resources and increasing latency. In contrast, eBPF (Extended Berkeley Packet Filter) offers a better solution by allowing for hyper-efficient, secure, and dynamic code to run directly within the Linux kernel, eliminating the need for sidecars and reducing overhead. This approach would simplify service mesh management, increase visibility and control, and reduce performance costs, making it an attractive alternative to traditional service meshes like Istio.