Microservices monitoring is crucial in managing independent parts of an application, requiring a tool that can track performance correctly and provide useful criteria for choice. Before selecting a tool, teams should discuss their motivations, identify necessary data, and be intentional about what to monitor. A good microservice monitoring tool should scale, collect the right data, analyze it comprehensively, prioritize distributed tracing, integrate with other tools seamlessly, fit the budget, offer visibility into the entire ecosystem, and provide actionable insights. Ultimately, the key question is whether the chosen tool aligns with the project's current and future needs, delivering a healthy and efficient microservices environment.