This is a real problem that doesn't get as much attention as it ought to. Google canceled a planned talk about this earlier this year.
https://www.washingtonpost.com/technology/2022/06/02/google-...
https://www.washingtonpost.com/technology/2022/06/02/google-...
Can you elaborate on why she is a "Tamil ethno-nationalist", and why this should disqualify her from giving a talk about caste equality?