They were talking about using things like Supabase, not just RDS.
Also, "small scale" means different things to different people. Given the full topic at hand, I would call it "nano scale". Depending upon your specific schema, you can serve tens of thousands of queries per second with a single server on modern hardware, which is way more than enough for the vast majority of workloads.
Also, "small scale" means different things to different people. Given the full topic at hand, I would call it "nano scale". Depending upon your specific schema, you can serve tens of thousands of queries per second with a single server on modern hardware, which is way more than enough for the vast majority of workloads.