Golden State Warriors coach Steve Kerr tweeted and then deleted a comment critical of both Houston Rockets star James Harden and the league’s referees in response to the NBA on Thursday night.

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Here’s the original video the NBA posted of a step-back Harden 3-pointer late in Houston’s 102-91 victory against the San Antonio Spurs — a win that kept the Rockets within 2.5 games of the Warriors:

And here’s how Kerr responded:

So, did Kerr consider Harden’s move a travel? It’s borderline. Harden seems to still be gathering the ball when he jabs to the right before taking a hop-step to the left and getting his shot off. In real time, it’s a difficult call, certainly not “an embarrassment” compared to some plays that never get whistled for travels. Rather, it’s a reminder at how quick Harden is with his footwork before his finishing move.

Surely, no Warriors ever take advantage of such fine lines of officiating.

Maybe Kerr is sending a message to the refs in hopes they’ll look harder at Harden’s sorcery if and when they meet in the playoffs. Maybe this is a sign Kerr and the Warriors are worried about Houston. And maybe, just maybe, Kerr pulled a Kevin Durant and forgot to send this from his burner account?

Actually, Kerr explained how the tweet unfolded at shootaround on Friday:

“I thought it was a direct message,” he told reporters. “My new iPhone is killing me.”

So, there you have it: Kerr was sliding into the NBA’s DMs to complain about Harden and the officials.

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Ben Rohrbach is a writer for Yahoo Sports. Have a tip? Email him at rohrbach_ben@yahoo.com or follow him on Twitter! Follow @brohrbach