While I appreciate that Python is easy and flexible enough to write, it bugs me immensely every time I run into situations like this. We go to all this effort

While I appreciate that Python is easy and flexible enough to write, it bugs me immensely every time I run into situations like this. We go to all this effort to build and write stuff in this optimising, fancy framework only for the whole process to be bottlenecked by some silly performance limitation in Python.