Frankly, picking a non-conventional language in order to associate yourself with "true hackers" is PG's least useful advice. I am not even sure if he would still agree today. Hackers use the language they are most comfortable with and that gets things done. Everything else is secondary. I wrote a blog post on the subject [1].
[1]: https://shubhamjain.co/2018/12/01/why-paul-graham-wrong/