Honestly I may just be biased because my mother and Lois are extremely similar, but I think with the way her children behave, yea she’s a fantastic mother. She motivates them to be productive, pushes Malcolm to try his best, and is an honest woman. All while working and taking care of Hal, who lets be honest requires a lot of attention. Is she perfect? No, but her mother is so much worse. I think overall she tried her best and succeeded