Seeking reason for quranic ayas then there is another sect which does that - the mutazili
One wants to follow customs of other religion or culture
The want to practice the practices of early muslims who had not yet adopted foreign practices vs later muslims who absorbed practices of new surroundings and people
You know birthdays are Greek ...
The threshold for adultery must be established, and the threshold for adultery for a married man is stoning to death. The threshold for adultery must be established on a married adulterer.
the adultery(man or woman) may born a girl that will be married to (his-her) son and creat a family is forbidden ,
wish you found it well