Counterexample: the Linux kernel

How? Big tech foots the bill.

But goo.gl is also big tech...

Google wasn't making money off of goo.gl

But what did it cost them? Especially in read only mode

Sure, an service more to monitor, while for the most part "fix by restart" is a good enough approach. And then once in a while have an intern switching to latest backend choice.

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Linux isn't a service (in the SaaS sense).