Earlier quoted context omitted.
I am saying that the author is using Sentinelese interchangeably with Jarawa/Andaman incorrectly. The only reference I can find for such contact is a blog post and a 1993 news article that appears anecdotal. I'd like to see the journal article written about this contact by the Anthropological Survey of India which funded the contact with the Andaman Islanders, but I can't find a source, leading me to believe it didn'…
You didn't read the article. She landed on North Sentinel island and interacted with the Sentinelese. Then, later in the article it focuses on Jarawa.
The best I can find is this book: https://books.google.com/books?id=-4PDCQAAQBAJ&pg=PA140&lpg=...
This text claims to have made friendly contact in 1986, and says 1994 had contact on the eastern coast.
These dates don't line up with the story, and I can't find any official source information about the contact, so the inconsistency is a red flag.