In the end, Rafael resolved to stand firmly by his convictions. He understood that reasoning with his sister would be futile at this point, as she was closed off and unwilling to entertain anything that contradicted her beliefs.
And Rafael was aware that despite successfully sending his parents overseas, his father still held a firm grip on the company and its people, who would undoubtedly support him in overseeing his daughter and reining in Rafael if he crossed a line. Rafael understood that his father's apparent compliance was temporary, waiting to see how things unfolded and how Rafael handled his sister before potentially intervening.