Another option might be to put it on Zenodo.
22 karma · joined April 19, 2021
Another option might be to put it on Zenodo.
Submissions that do not contain original or substantive research, including undergraduate research, course projects, and research proposals, news, or information about political causes (even those with potential special interest to the academic community) may be declined." as explained in https://arxiv.org/help/moderation
If your supervisors decided not to pursue publication then it seems likely that it does not match these criteria either. Note, this isn't a qualitative judgement about your thesis - as it says as much about academia as it does your thesis.
Additionally, you might run into the endorsement system if you're new to arXiv. https://arxiv.org/help/endorsement
There is a relation between citations and certain aspects of research quality, but citation count can be easily gamed, and is affected by many factors other than the quality of the work itself.
Trying to use single measures to quantiy something as complex seems flawed to begin with.
Additionally, it concludes that Dutch telecom act was violated by Huawei by being able to access the numbers being tapped by Dutch security services.
All statements in the original news article are backed up by the Capgemini report. Of course this report could be wrong, but then it's curious why KPN decided to keep this report a secret, apart from sharing the results with Dutch intelligence (AIVD).
Either way, I have a hard time seeing how any of this is 'spin'.