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The original rust compiler was written in OCaml. That's not evidence it "had an influence", but it's highly striking considering how many other languages Greydon could've used.

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Yes: if a person knows nothing else about Rust and the languages that might have influenced it, then the fact that the original Rust compiler was written in OCaml should make that person conclude tentatively that OCaml was the language that influenced the design of Rust the most.

I'm not one to hold that one shouldn't form tentative conclusions until one "has all the fact". Also, I'm not one to hold that readers should trust the opinion of an internet comment writer they know nothing about. I could write a long explanation to support my opinion, but I'm probably not going to.

It's like trying to say Elixir wasn't influenced the most by Erlang

Was any Elixir interpreter or compiler every written in Erlang?

If not, what is the relevance of your comment?

Elixir’s implementation still has significant parts written in Erlang. I don’t know if it’s a majority but it’s a lot. e.g.: https://github.com/elixir-lang/elixir/blob/aef7e4eab521dfba9...

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