What is the catch of TCC?

Question

C++ / C#

What is the catch of TCC? The compiled file weighs an order of magnitude less + works faster, so why is it practically not used?

Answer 1

- Who is it, Billy?
It's the elusive Joe!
Why can't anyone catch him? -Because no one needs
it for nothing , Bob!
So, a compiler that is only on the path to C99 compatibility and can only produce code for x86 is in about the same position as the aforementioned Joe.