ANSWER:
We don’t take knowledge from so called “da’ee” as these are not students of knowledge nor scholars.
We teach the children whatever was mentioned in the Quran and Sunnah with the understanding of the 3 favorite generations.
It is like the western psychiatrists who say do not talk to children about death or hellfire or any of these things as it is affecting them negatively!
Why not stop teaching them about Islam totally?