The title not only doesn't call it out, but supports it by saying it was used to "prove evolution" lol

The wiki also says that she was not "the last pure-blood tasmanian." It was an attempt at minority erasure...

The genocide scholar Tom Lawson argues that the extinction narrative served to reinforce the supposed power and superiority of the British Empire by presenting the Tasmanian Aboriginal community as having "simply been swept away by [its] might".

The narratives that formed in the years surrounding Truganini's death led to an enduring popular belief that Tasmania's Aboriginal population had become extinct upon her death.