Why is Rory McIlroy not playing the CJ Cup Byron Nelson? Reason for absence explained

Rory McIlroy is absent from the CJ Cup Byron Nelson tournament, though the specific reason for his withdrawal has not been detailed in the available excerpt. The CJ Cup Byron Nelson is a PGA Tour event, and McIlroy's absence has drawn enough attention to warrant an explanatory article. No further details about injury, scheduling conflicts, or other causes are confirmed in the provided text.