It looks like the related threads are:

Tim Cook claims sideloading apps would destroy security and privacy of iOS - https://news.ycombinator.com/item?id=27565002 - June 2021 (35 comments)

Apple CEO Tim Cook: Sideloading Apps Would 'Destroy the Security' of the iPhone - https://news.ycombinator.com/item?id=27535691 - June 2021 (1 comment)

Tim Cook: Sideloading is “not in the best interests of the user” - https://news.ycombinator.com/item?id=27535605 - June 2021 (44 comments)

Apple is blocking Apple Silicon Mac users from sideloading iPhone apps - https://news.ycombinator.com/item?id=25807114 - Jan 2021 (36 comments)

Apple begins blocking M1 Mac users from side loading iOS applications - https://news.ycombinator.com/item?id=25796271 - Jan 2021 (9 comments)