No, that is not the problem here, Chase didn't manifest as a dominant alpha at that point. His eyecolor should have been different. In the novel it doesn't matter if you know the eyecolor, because reading comprehension is enough, but drawing them violet is a misleading information.
It's important at what age they manifest, concerning how much of a psychopath they become, that was also mentioned in the manhwa I think.
His siblings really don't understand Chase.
And his father has become emotionless, because of pheromone accumulation.
It's like Chase talking to them in a different language, his brothers don't understand him and his father understands him not enough to react in a way he wants.
Chase is literally a rabbit in a monsters den poor baby got called weird for not being the stereotype alpha