Is that why they turn them into homicide bombers or pass out sweets to the neighbors when they've killed one of their daughters for having sex?
"It is important to behave at all times in a way which will create a good impression."
On whom?
"Everyone should believe in God and have a religious affiliation."
Which really means, everyone should be our brand of Islamic, and death to all who refuse to submit.
I could go on, but we all know what tripe this is.
Throughout history, jewels have been used as high-denomination currency, as well as decoration. Looking at it in that sense, children could be considered "high-value assets".
Expending a high-value asset in furtherance of Jihad, can be considered a religious contribution
A daughter who is no longer a virgin has little marketable value as marriage-material, and so may be recycled. If the act of recycling results in an increase in the family's reputation for "piety", then the expenditure is profitable, in their eyes