Re: Disinformation
You have missed the more probable reason
The backlog of phones is because the case each phone relates to is not significant enough to put any effort into (or to get them onto the 'must crack this phone' list) but collectively they help the cause for needing more powers. The repeated reference to this HUUUGE list is intended to bat away rational arguments from the people who see no need for those extra powers 'because terrrism/think of the children/pro-Trump/anti-Trump/furriners'*
*delete to select flavour of the day