Slow, GIL, Python, ORM, no otp, no supervisions, no runtime code inspection, bad code formatter, error handling, no macros, no pipe, not immutable, not function

Slow, GIL, Python, ORM, no otp, no supervisions, no runtime code inspection, bad code formatter, error handling, no macros, no pipe, not immutable, not functional, very complex writing multithreaded code, 100 different ways to write doc strings, ugly docs, hidden state everywhere... etc.