I think it's both. I remember reading at one point (not sure if it was quote or speculation) that the difference is C++ adds a lot of abstractions that: - Have

I think it's both. I remember reading at one point (not sure if it was quote or speculation) that the difference is C++ adds a lot of abstractions that: - Have hidden costs - Have sneaky failure-modes C just... doesn't add any abstractions. And then Rust adds abstractions, but makes a concerted effort to avoid ones that have these two problems