>If you want people to switch to something better, make something better.
We already have C, which is better. It existed before C++. It will exist long after C++ is dead. If you don't over-architect and over-abstract your code you can be more productive in C than in C++ precisely because you avoid the kind of nonsense that this article (and the endless other articles about overcoming C++'s shortcomings and cognitive overheads) talk about. In the time you spend waiting for C++ code to compile, you can instead just write more code in C.
Look at all the articles that get posted here about C++. There was a post a day or two ago about trying to work around C++ compilation times. How long does it take to compile C projects? Not long at all, if you follow standard rules that have been well-known for decades like forbidding #include in header files.
>If all the other compilers and languages were THAT much better, they would be used.
Argument from popularity/Blub paradox. If C++ is so good why does it need to be constantly updated and extended? If you think C++23 is better than C++20, then surely you accept that C++23 can at least potentially be worse than things that already exist.
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People have an attitude towards C. They think "oh but what about std::vector? I will have to write my own containers". But 90% of the time you will have good enough or even better performance with a few lines of code. Often you know statically the maximum size and can just allocate that at compile time, or you know before filling a collection what the size will be. In C++, most code dealing with vectors that I have seen pre-sizes the vector anyway. That could just be a 'malloc' or a static array. The result is that you compile in debug mode and your program actually works, you can use a debugger, everything Just Works. Programs run at almost full speed in debug mode, and debuggers work. It's glorious.
In C++, you spend a hundred thousand lines of code reimplementing standard library containers anyway because anything more complicated than std::vector is unsuitable for non-trivial programs, and then the only way your program will run is with optimisations on, because your 'zero-cost' abstractions are actually very high cost if you aren't compiling with -O3.
Oh yay I have a big standard library in C++. Thanks for saving me from having to use the old ugly BSD sockets API to do networking. I can use a nice modern networking API in C++. Oh... it doesn't exist? Oh well, I'll use a nice modern filesystem API in C++. Oh, it only was added recently and lacks basic functionality? Oh well, I guess in return for learning the 50 different ways of initialising a variable, and all the subtleties of argument-dependent lookup and glprxvalues and template deduction guides and template⟨T=std::enable_if⟨std::is_void⟨void_t⟨int⟩⟩::type⟩::value⟩ I will get the benefit of using a high-quality standard library that contains std::regex and std::random and std::chrono and std::thread and std::vector and std::unordered_map and all the other VERY high quality standard library facilities provided by the C++ standard library!
Oh they're all crap. Pity.