Telemetry for the Most Serious

Should you start developing your own serious observability platform? What tools should you use to implement observability if your company is not serious enough? What to do when users of your observability platform don't take its purpose seriously and confuse it with a bottomless database? How do you get your observability platform to meet serious SLA numbers? And finally, is the .NET platform serious enough to develop seriously loaded systems like the observability platform? Come, seriously.