datadog.com
the door is scope creep: Datadog charges per-host, per-log, per-trace across 20+ products — a focused single-signal tool (APM-only, logs-only, infra-only) undercuts them on price before writing a line of business logic.
where the walls are.
their capital wall is paper-thin — runs on commodity cloud + free tiers.
switching cost is real — workflow lock-in keeps customers from leaving.
the blunt take.
“Datadog is a genuinely excellent platform that has also become a genuinely terrifying bill. The wedge isn't "build a better Datadog" — it's "build the one slice your target customer actually uses and charge a flat rate."”
Their moat is breadth and integrations (700+), not depth on any single signal. A solo dev can't out-integrate them, but can absolutely out-price them on APM-for-small-teams or logs-for-startups — the segments Datadog's sales motion actively ignores.