I had exactly the same experience with Render. I was researching where it would be cheaper and easier to setup my infrastructure. So, I deployed bunch of services to Render, and boom, "Unauthorized" and "This service has been suspended by its owner". Sent an email to support, got first reply after 4 days, and then silence for a month, until I angrily asked them what's up. No need to say that I will probably never go with Render.
This is unacceptable. You'd be well within your rights to ignore this request, but I'd appreciate an email with your details so we can fix the underlying problem.
Library author decisions aside, the implications for the .NET ecosystem are insane.
.NET Analyzers spawning processes, especially in an elevated environment.
Pausing builds for 100ms for non-paying users.
Silently leaking millions of user emails.
Stablecoins are the product of centralized human-managed financial engineering, they are not exactly what crypto proponents had in mind. They are convenient for some purposes, but everyone keeps in mind that they are not "real" crypto.