That was because they did not comprehend what he was teaching, and they were disappointed at not having their fleshly expectations fulfilled at that time.
תורתו לא היתה מובנת להם, והם התאכזבו מכך שישוע לא עמד בציפיותיהם הבלתי רוחניות (‏ יוחנן ו ’: ​ 26, 27 ,‏ 51 ,‏ 66‏).