Looking for experienced developers of FIX protocol

What is the reason why Python should be not be used for production? Is it against the "industry standard" because Python is not commonly used for production due to reliability issues?

 

For example, 1 (one) thread for all processes, latency

 

implement "Application" with your logic
https://github.com/fvmt/quickfix-python-sample

 

lol. this indeed sounds like attaching a caravan to a disassembled Ferrari