Because that is a baby, and we all know it.

Yes, when it's born it's a baby

"Planned Parenthood hides those images from women because its best interests are not served by revealing them. The images would show the mother her child's beating heart, tiny hands, and tiny feet. Those images destroy the abortion industry myth that her baby is just a "clump of cells" lacking humanity."

https://www.washingtonexaminer.com/why-wont-planned-parenthood-show-women-their-ultrasounds

I've never heard anyone say that one moment before birth it's "just a clump of cells"

Only a complete fool says it is ever just a clump of cells, regardless of what stage of development it is in.

And quite to the contrary- many on your side are saying it simply does not matter when the baby is viable, and more and more are saying this is so even after birth.

Turds like to talk about the slippery slope logical fallacy, except that this society has indeed been sliding down the slope of pure evil for some time now. Turds would be wrong.

"Only a complete fool says it is ever just a clump of cells, regardless of what stage of development it is in."

Except at the very beginning, when it quite literally is a clump of cells

"And quite to the contrary- many on your side are saying it simply does not matter when the baby is viable, and more and more are saying this is so even after birth."

I'm not one of those people

The reason we have not, nor are ever likely to see, a partial-birth abortion is because it would reveal how precisely wrong you are.

I have never run across someone so full of themselves that thinks merely declaring something makes it so.

Your ideas and ideology are, indeed, bankrupt.

So you don't think it's a baby when it's born? Then what is it?