You referring BBC as a safe source. I offer you to watch this whole video. You may see how prejudiced BBC is.

https://www.youtube.com/watch?v=QdRIr0QFOqk

I see a pro-Turkey bias. They let a guy go on there from the Turkish government and push his propaganda, mostly unchecked. They didn't have anyone from the YPG giving their side.

Genocide with a cross border operation but millions of kurds living in Turkey's own territory. Okay.

For certain values of "living".

https://www.amnesty.org/en/latest/news/2016/01/turkey-onslau...

Many of the estimated 500,000 people displaced from their homes in areas under the curfews across the southeast of Turkey in 2015 and 2016 lacked access to adequate housing and livelihoods. Many were unable to return to their homes that had been destroyed during or after military operations during which state security forces clashed with armed individuals affiliated to the PKK.

https://www.amnesty.org/en/countries/europe-and-central-asia...

It's based on a Turkish textbook's table of contents. "Sayısal Çözümleme - Recep Tapramaz"