Always play A2?

Hi, I'm new here and i am also new to Omaha 8b. I have read some articles and most of them say to always play an Ace 2. Is this always correct? If you are dealt A [img]/images/graemlins/spade.gif[/img]2 [img]/images/graemlins/diamond.gif[/img]9 [img]/images/graemlins/heart.gif[/img]7 [img]/images/graemlins/club.gif[/img] in early position is it still profitable to play this?