Uptime Kuma is in no way comparable to what Datadog offers. The best FOSS alternative would be the whole Prometheus/Granada/Thanos/Loki/etc stack, and that would require at least a whole volunteer just to set up and administer.
There’s nothing wrong with DD, they’re a staple in the cloud industry and are absolutely trustworthy.
Or because many of these rappers came from poor and violent areas, where drug addiction, gang banging, and frivolous spending was what they knew