ksnsnsj

Does this need ruby on the host? I'm asking because it's really difficult to have a portable ruby binary, only traveling ruby comes to mind

I have read this argument before. Of cause you can do everything yourself _but it is not free_

You are missing both development cost and much more importantly opportunity cost

If I spent a person year on a cheap run architecture while my competitor spent a person year on a value add feature add, he will win

Unlike the original c10k problem, serving those number of connectioms has now morthed from a technical to an economic problem

Not really, because those clients will be unhappy and cause trouble.

They like the clients which expand slowly.

So going from $100 to $100k in a month by accident they want to avoid while still being able to go from $1k to $100k in a year

While this is normally done due to the reasons mentioned, to me that is a significant downside.

Why can't GCS act as a CDN, too?

There is no such thing as unlimited bandwidth.

What I'm aware of are services which do not charge extra for egress but severely limit your egress bandwidth (like 10 Gbit peak, 100 Mbit avg)

And limiting egress bandwidth is better is better done in the service per client than by the hoster for your system

What is R2?