The other terms you mention have some relation to the original meanings. A computer "virus" is named after the infectious, peer-to-peer spread of the real one. A "platform" is named after a supporting structure. "Debugging" has an engineering tradition that predates software[0].

"Serverless" is the exact opposite of that. It's taking a word that literally means "without servers" and making it mean "with servers, possibly a lot of them".

--

[0] - https://en.wikipedia.org/wiki/Software_bug#Etymology