By that logic 2000 is the last year of the second millennium, 2001 is the first year of the third millennium, 2002 the second, and 2003 the third.

The era started at year 1, and not year 0. So the new millenniums starts at years that ends with 1.

It's also the third millennium of the era. 1-1000 AD was the first, 1001-2000 AD was the second, and we are now in the third.

That is what the culture war is. The effort to create an environment where publishers and artists have a harder time including aspects labeled "woke" because of a loud minority will harass the people involved, review bomb the products, dominate the discourse with bad faith arguments, and generally minimize the potential enjoyment of anyone who is the intended audience. This is what forcing an agenda upon artists looks like.

And when the artists chooses to include all genders, or races, or trans people; what would you call the effort to force the artists from removing this from their art?

I have never written a PhD thesis, so I might not be the best representative, but it's the first time I've heard the phrase.

What is a doctor father?

No Rolls Bared played a round of this a while back in one of their House Rules episodes.

Sure, and a window on the fifth floor is technically an exit. But that doesn't make it a viable option.

It's the very first line in this ABBA song.