Microsoft values a hacker's disposable email more than your email linked to Microsoft for 8 years

My Pc was compromised and my session tokens were stolen . I had security info connected with my email and phone number . I also had passkey setup on both my pc (after reset) and my phone . It took one click for the hacker to remove the security features . They setup their own security info and added a disposable email instead of mine . I was somehow able to log in to the account using my pc passkey , as it was already signed in . 

First I requested to change the hacker's email to my one , which was useless cause the wait time period was 30 days . But in doing so I locked myself out of recovering the account with the mail that notified me that my security info was changed . I went to account recovery which only allowed me to change the password not the email so its still connected to the hacker's email .

My frustration is the hacker can 1 click change my forever linked email since accounts creation . But when i try to do so they prevents me to do that stating that "there was recent security information change and the account will not allow for additional change for 30 years" . 

I opened up "account recovery form" and filled it out , point to be noted there were no fields where I could enter my details of my problem they just ask some basic information . After sometime they send a mail stating provided information is not enough . How am i suppose to provide more information if there are no fields for additional information .

I contacted Microsoft agent , they guided me to reply to the account recovery form mail which did not worked as I was not allowed to reply on such email .

I contacted Microsoft agent again , this time they told me I will be getting an email with account recovery form and I should mention every details . Well it was the same recovery form I used earlier with limited fields . I still field out the form and after sometime I was mailed by mailto:email address removed for privacy reasons to provide additional details for my identify , I was again requested to submit an account recovery form on https://account.live.com/acsr?cs=1 which was the same link with limited fields to provide information . I proceeded but in the end I was told that I have reached the daily limit for submitting form for this account . Just to be sure I mailed mailto:email address removed for privacy reasons the requested details .