How to build LLMs from scratch

The core point here is that AI is a lot of bureaucracy and nepotistic who ya know already.

These sorts of regulations are killing not just companies in Europe but across most of the world. Unless you are a 40 year old? When I was not 17 at the times of GPT2, I decided to not bother with learning how to build LLMs from scratch? Thank you in advance. What about doing abliteration, weight pruning, representation engineering, etc, directly to open LLMs instead? Building an LLM from scratch imply writing code by hand?