Xia Ruya was the culprit behind the Li Family's current wretched state.
If Old Mr. Li was still young, he could have relied on the Li Family's strong foundation and assets accumulated over hundreds of years, as well as some hidden resources that no one knew about—perhaps the Li Corporation could be saved then.
But Old Mr. Li was already over 90 years old and had one foot in the grave. He no longer had the bravado and aspirations from when he was younger. The Li Family was essentially at the end of its road. Xia Ruya's actions after returning to the Li Family had utterly disappointed Old Mr. Li.