That's not the argument the GP is making. The GP is basically saying that if C/C++ aren't your second choice of language, then it's a sign your reasons for pic

That's not the argument the GP is making. The GP is basically saying that if C/C++ aren't your second choice of language, then it's a sign your reasons for picking Rust are suspect. They didn't say Rust is almost always better than C/C++. There's perhaps the implication there, but it's certainly not explicit in the GP's comments.