I used to watch his YouTube videos all the time. And he used to talk about his days in RIM as he was one of the first engineer there. You reminded me to check his channel again and looks like he did a reaction video to the trailer.
[1] https://www.theguardian.com/technology/2012/jun/29/rim-chief... is an example of a second hand non-contemporary one. Although I did dig up https://www.independent.co.uk/news/media/it-s-small-addictiv... from 2004 which does at least have the fun quote "If you think about web browsing, shopping or banking services, how many of those are compelling enough to want to do from a phone?".
Ie political, not technical or even strategic, decision.