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And by remembering this, i also recalled Eliza, my first commandline encounter of AI (oldschool insiders may lol here).
The source code for Eliza was available in a variety of languages. I did study it.
A VSLM (very small language model, no training necessary ehehe) who basically aped your input in a condescending, shrink-like tone.
Using only few KB of memory and very few cpu cycles it is still able to excel all LLM by large and far in the areas of being utterly useless and annoying.
It is a shame that nobody ever ported
Parry (the virtual patient to the virtual therapist Eliza) in something like Perl or Python - must have been fun to watch them chatter away

I still use Eliza as a fallback for my jabberbot when the cheapo-LLM backend goes south.