This is like telling someone in Marketing "recompiling the linux kernel and turning on some new drivers is really simple. You don't even need to understand kernel architecture to do that."
Yes, it's simple for you, but for folks who just want to make sure that all their QR Codes reflect their brand, having to recreate that every time isn't worth it.
It's the ability to customize the codes that you're paying for. Ad logos, and an almost limitless amount of customization. If all you want is standard black and white squares, that's easy and free all over the place.
I've actually been looking for a comprehensive and detailed comparison of Clickhouse vs Pinot, so this is timely for me. I like that this article has some easy to digest lists of what is supported in each implementation, but that's fairly high-level. The deeper dives into features and specific use cases was much more helpful.
Great question! Time series databases are a great solution for applications that need to process streams of data. IoT is a popular use case. DevOps and infrastructure monitoring applications as well. As has been mentioned in other comments here, there are a lot of use cases in financial services as well.
These are all applications where you’re dealing with streams of time-stamped data that needs to be ingested, stored, and queried in huge volumes.