Individuals' feelings and beliefs can be complex and nuanced, and public figures like presidents often present their actions and decisions through a political lens. It is essential to rely on direct statements or actions made by President Trump himself, official speeches, interviews, or other credible sources when trying to understand his views on guilt, remorse, or regret.
If there have been any significant developments or statements made by President Trump on this topic after 2023, I would not be aware of them.