The seeds of rebellion were in them.
“And I looked, and behold, you had sinned against the Lord your God—had made for yourselves a molded calf! You had turned aside quickly from the way which the Lord had commanded you.”
– Deuteronomy 9:16
[Acts 4:19,20] But Peter and John answered and said unto them, Whether it be right in the sight of God to hearken unto you more than unto God, judge ye. For we cannot but speak the things which we have seen and heard.
Jesus believed! “For as Jonah became a sign to the Ninevites, so also the Son of Man will be to this generation.” – Luke 11:30 NKJV
[Isaiah 58:12] They that shall be of thee shall build the old waste places: thou shalt raise up the foundations of many generations; and thou shalt be called, The repairer of the breach, The restorer of paths to dwell in.
He still raises the dead. “You have a name that you are alive, but you are dead.” – Revelation 3:1 (NKJV)
That wouldn’t be right. “And suddenly there was a great earthquake, so that the foundations of the prison were shaken: and immediately all the doors were opened, and every one’s bands were loosed.” – Acts 16:26 (KJV)
You get the idea. “Whoever of you does not forsake all that he has cannot be my disciple.” – Luke 14:33 NKJV