Do I Need To Remember Washing Every Part Of My Body During Ghusl?
If you by nature do it thoroughly then you don’t need to indulge yourself in doubts.
1 .( a & b ) Correct 2 .) There’s no harm in listening to their arguments and assess them accordingly. Whether it is faqh based ruling or not, and if yes, then what is the basis of their conclusion. If one finds such basis logical and reasonable and in line with principles laid down in Quran and Sunnah, then one should follow it. And if its otherwise, then one can simply ignore that. But you’e right, Sharia doesn’t do into detail regarding such matters, and they have mostly been left to the intellect and nature of human beings.