That's right, he seems to rely heavily on his dad which does seem to be something he should change given the level he is now playing at. That said, there have been suggestions that his problems started 2 years ago when the coaches at Lancs tried to change his game by telling him to increase his strike rate and that it has left him struggling to adapt from his natural game. If true, it seems to be an error to me as Cook has shown you can make a perfectly reasonable career as a traditional opener.
As for Allott, he is on rather shaky ground talking about people who have has more opportunities than they deserve