From a tactical point the comment was an unforced error.
- If he were proven to be right (accidents seldom have a single cause) it will be forgotten
- If he was wrong it will never be forgotten
There are so many different factors that potentially played a role including controller workload, flight scheduling , did the helo fully understand the runway change for the jet, crew rest and schedule .
We’re about to do an autopsy of a recently deceased body , we see what appear to be bullet holes, a trace of cocaine and evidence of head injury, The wise person completes the autopsy before proclaiming the cause.