What are the different arguments that Moshe makes in these texts?
Why?
(8) In this time, when the Temple does not exist and there is no altar of atonement, teshuvah is all that there is – teshuvah atones for all sins. Even a person who was wicked all his days and did teshuvah at the end, we do not mention any part of his wickedness, as it says, As for the wickedness of the wicked, he will not stumble on it in the day that he turns away from his wickedness (Ezekiel 33:12). And the day of Yom Kippur itself atones for those who do teshuvah, as it says, For that day will atone for you (Lev. 16:30). (9) Even though teshuvah atones for all, and the day of Yom Kippur itself atones – there are still sins which are only atoned after time has passed. How does this work? If a person violated a positive commandment for which the punishment is not karet and did teshuvah – before he can even move he is forgiven, and regarding such people it is said, Return, backsliding children; I will heal your backslidings (Jeremiah 3:22). (10) If a person violated a negative commandment for which the punishment is neither karet nor capital punishment and did teshuvah – the teshuvah is suspended and Yom Kippur effects atonement; and regarding such people it is said, For that day will atone for you (Lev. 16:30). (11) If a person violated a mitzvah for which the punishment is karet or capital punishment and did teshuvah – the teshuvah and Yom Kippur are suspended and the suffering that falls upon him effects atonement. And no matter how much time passes, he does not receive full atonement until suffering falls upon him; and regarding such people it is said, Then will I visit their transgression with the rod, and their iniquity with strokes (Psalm 89:33).... (12) What cases are we discussing? Cases in which he did not defile the Name at the moment of violation. But someone who defiles the Name, even if he does teshuvah, and Yom Kippur passes and he remains in his teshuvah, and suffering befalls him – he does not receive full atonement until he dies; the teshuvah, Yom Kippur, and the suffering are all three suspended and death atones, as it says, And the LORD of Hosts revealed Himself in my ears: Surely this iniquity shall not be atoned until you die (Isaiah 22:14).
What is so bad about Hillul Hashem? Do some research.