I keep agreeing with much of what you say and then become puzzled over some statements as they do not add up.
I am writing an article about virgin birth and hermaphrodite/asexual reproduction which is a shameful joke on Mary as well as Allah.
As for circumcision as a creed of Abraham, you are right God does not tell us what to eat, fruit, meat etc, as well as the use of knives and forks etc, BUT this is a choice and not a religious obligation as a creed of Abraham has become. We can only confirm religious duties if the are in the Quran and you have no right to make anything else one.
I repeat, do what you want, takes your fancy, but do not tell be it is an obligation from Allah when He has not made it one.
3:1 A.L.M. Alif-Laam-Meem. (Allah, Lateef the Unfathomable, Majeed the Magnificent, states that),
3:2 God, there is no god but He, the Living, the Self-Subsistent Lord of the Universe proclaims that:
3:3 He is the One Who has sent down this Book to you (O Messenger) in absolute truth, confirming the authentic in what He has revealed before. He is the One Who revealed the Torah and the Gospel.
[The Qur'an confirms only the Divine origination of the Bible, but it strongly points to the extensive human touch in the Old & New Testaments. Check the following verses: 2:75, 2:78-79, 2:101, 3:70-71, 3:78, 3:186-187, 5:13, 5:41, 6:91-92