Perhaps this is because Christianity and Islam, despite growing in the same soil, have grown in different directions to become distinct religious formations. (faith.org.uk)
(Mk 10:14) Yes, these are often very little children spiritually, truly poor ones who have been neglected by the Shepherds and therefore have so little religious formation that at this point they are unable to respond positively to a demand for deeper commitment. (faith.org.uk)
We find them to be remarkably similar in their general religious formation, which typically did not incorporate religion as an internalized factor in their daily lives and decisions. (firstthings.com)