For one thing, Rust has had the benefit of learning from the evolutionary lessons that languages like C++ went through. Another point is that really arcane stuf

For one thing, Rust has had the benefit of learning from the evolutionary lessons that languages like C++ went through. Another point is that really arcane stuff that's applicable only to very few legacy systems need not be supported, and aren't, while C and C++ don't have the luxury of dropping such support.