For archaeologists thinking about researching links with nationalism/pseudoarchaeology in online spaces, I need to flag that there are numerous safety measures you need to take before you start work. You have an ethical obligation *to yourself* too
This sort of work is dangerous, you will need to protect yourself in online spaces, like any other internet researcher. Please read through these comprehensive guidelines for researcher welfare: https://www.voxpol.eu/researcher-welfare-1-privacy/
Don't forget that drawing attention to work in their spaces can also bring a wave of unwanted attention online to archaeological colleagues using social media, some of whom may be more vulnerable to racist, homophobic, or anti-trans abuse. Consider that in ethics applications
If you're interested in these topics & digital research, you might be interested in Twitter's news here about the API: https://blog.twitter.com/developer/en_us/topics/tools/2021/enabling-the-future-of-academic-research-with-the-twitter-api.html
There is comprehensive info about how to use the Twitter API for academic research. This is so exciting for the future of many things, including digital social research in archaeology: https://developer.twitter.com/en/solutions/academic-research/resources