For the best, I think

I know I'll get a lot of hate for this, but I'm saying it anyway:
I know everyone are hating on the head maid (forgot her job title), the princess, and hope Alejandro stops Ibelina, but I think all of this is OK.

The head maid isn't wrong, considering the time and their status. She's been told all her life that servants are the lowest, and back then social status was everything. If anything she's doing this for Ibelina's sake. This has nothing to do with jealously or power greed. Yes Ibelina was the only one to care for him when he was cursed, but that was 1. her job, and 2. that time is long past.

Ibelina is just creating more drama because she doesn't understand the society, and thinks she can do whatever as long as she doesn't get into a romantic relationship with Alejandro.
I personally think that it's better if she leaves, get a new career, and creates a name for herself. That way, if they meet again x years later, she will no longer be a maid and be a more acceptable candidate for him.

As for the princess, she was a little child, probably 3-4 years old. Kids that age have no filter and she was scared. It's not like she knew how bad this would hurt him. He's allowed to hate her ofc, but as a reader I don't think she deserves it (from others than the person himself). Also if she becomes aware of it and tries to make up for it...
Also just because they met again after 12 years, where he has hated her the whole time, doesn't mean she will become a love rival.