The absolute lack of any mention does make you wonder why!
Perhaps it makes conspiracy theorists wonder, but for those of us with some understanding of how the AAIB is going about its business it just means that they haven't found anything in any police radio logs that they think is relevant to the accident. To date they've only been publishing factual interim reports, not the analysis that'll be in the final report. They're not obliged to play whack-a-mole with every bit of speculation that pops up on t'internet.