The discussion revolves around using Perl, specifically through the RtMIDI plugin, to enhance MIDI devices. A notable point of contention is the definition and implications of latency in MIDI communications versus audio. There's also user feedback on code compatibility issues with Perl on Mac systems, along with comparisons to other languages like Supercollider that are seen as more user-friendly for MIDI applications. Overall, the conversation touches on the ongoing relevance of Perl in audio programming and potential complications in its usage.