dynamic queue is worst thing you ever did

So we as players get to choose between primary and secondary roles. except all i get is secondary. I have played 6 games today. and only once have i received my primary pick. This has been happening since you added dynamic queue. i never ever get my first pick and its the most annoying thing ever. obviously im not supposed to get my first pick every single game. but 1 and 5? that doesnt seem to be too "primary" to me