Can the founder of an endowment have the benefit of his endowment? Sahih al-Bukhari 2755

Arabic hadith text
حَدَّثَنَا إِسْمَاعِيلُ، حَدَّثَنَا مَالِكٌ، عَنْ أَبِي الزِّنَادِ، عَنِ الأَعْرَجِ، عَنْ أَبِي هُرَيْرَةَ ـ رضى الله عنه ـ أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلمرَأَى رَجُلاً يَسُوقُ بَدَنَةً، فَقَالَ ‏"‏ ارْكَبْهَا ‏"‏‏.‏ قَالَ يَا رَسُولَ اللَّهِ إِنَّهَا بَدَنَةٌ‏.‏ قَالَ ‏"‏ ارْكَبْهَا، وَيْلَكَ ‏"‏‏.‏ فِي الثَّانِيَةِ أَوْ فِي الثَّالِثَةِ‏.‏
Translation
Narrated Abu Huraira

Allah's Messenger (ﷺ) saw a man driving a Badana and said to him, "Ride on it," and on the second or the third time he added, "Woe to you."