Emperoreddy
Show Me What You Got!
While hilarious I'm not sure that's quite true. That alicent heard what she wanted to hear from the king seems to be just a convenient way to legitimize herself and her thoughts. The hightowers overall seemed to always have it in their mind that they would ascend the throne one way or another.
Alicent resents being at the mercy of men and her position, but also readily shirks responsibility whenever she has an opportunity to have her own agency.