Please stop begging for commendations.

[Melisenna]

Anybody who has tried that (or read the patch notes, or followed any information on it) would know that you can't commend anybody if you preform.

I thought premade groups cannot do duty roulette

You don't make a group. You just pick some random obscure guildhest late at night and all queue at once. Chances are the majority of you will get put into the same one.