> Like she clearly fucks up on an epic scale producing all these bastards

The show tries to sweep that under the rug by saying she and Laenor tried to have kids, but it just didn’t work, which is a pretty poor excuse, to be honest. Especially for someone who knows her claim is likely to be challenged. In the books, my impression is that she did it because she thinks she can get away with it.

> Also, the whole tie in of the prophecy is stupid and I don't understand why it's even there.

One of its purposes, the way I understood it, was to remove Alicent’s agency. Like she supports the usurping of the throne, but just because she thinks it’s her husband’s wish. Pretty lame, if you ask me.