@Jojothegoodperson @kirby @threat Prepacking an ISO allows its creator to integrate some trojan well deep into the system without ever being noticed since people in industry won't use it and won't have time to check it. There's been many precedents, e.g. https://www.techspot.com/news/99063-trojanclipper231-crypto-hijacker-infecting-windows-hidden-efi-partition.html
Back in XP era I myself fucked around with systems that run some custom Windows XP ISOs that had radmin remote desktop snuck into them with no paswword.
Either way, their website also looks rather juvenile, which is also a red flag since they won't have much of their trustworthiness at stake.