Agreed on both counts. At my last startup, there was a release every few hours. We used feature flags for anything where the code's future was uncertain, especi

Agreed on both counts. At my last startup, there was a release every few hours. We used feature flags for anything where the code's future was uncertain, especially experiments. But once the experiment was resolved, we mercilessly removed the flag, refactored the code to reflect what we'd learned, and added tests.