His mistakes shouldn't be ignored, but neither should his growth.
People are complicated, and Rudeus is written that way as well.
You can criticize his actions while still acknowledging that he's a well-written character.
Lo siento, pero cada vez que veo que dicen que Norn es "La voz de la razón". Les tengo que poner este meme. Literalmente a nadie le importa lo que piense Norn. De echo, en este mis arco a Norn se le humilla y ridiculiza para hacer enfasis en que está mal según el juicio de la obra.
And unlike many harem protagonists, Rudeus doesn't simply enjoy the consequences and move on.
After Paul's death, he takes responsibility for his family. He cares for his mother, worries about his sisters' future, and repeatedly puts himself in danger to protect those he loves.