> Yes, C++ can be unsafe if you don’t know what you’re doing.

It is even if if you do

> But here’s the thing: all programming languages are unsafe if you don’t know what you’re doing.

But here's the thing, that's not a good argument because...

> will just make it a lot harder to have memory leaks or safety issues.

... in reality it's not "just". "Just makes it better" means it's better