Mark Cuban on Thursday tweeted and quickly deleted a claim that President Trump Donald John TrumpHR McMaster says president's policy to withdraw troops from Afghanistan is 'unwise' Cast of 'Parks and Rec' reunite for virtual town hall to address Wisconsin voters Biden says Trump should step down over coronavirus response MORE "isn't smart enough to be dangerous.”

“It's time we accept @POTUS for who he is. He is entertaining. He is oblivious. He isn't smart enough to be dangerous,” the Hillary Clinton Hillary Diane Rodham ClintonHillicon Valley: FBI chief says Russia is trying to interfere in election to undermine Biden | Treasury Dept. sanctions Iranian government-backed hackers The Hill's Campaign Report: Arizona shifts towards Biden | Biden prepares for drive-in town hall | New Biden ad targets Latino voters FBI chief says Russia is trying to interfere in election to undermine Biden MORE supporter and billionaire owner of the Dallas Mavericks tweeted.

Cuban has ripped Trump before, telling Fox Business Network in September that Trump lacked “substance” and too often acts on impulse.

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“Donald Trump comes from his gut, but at some point you have to add substance,” Cuban said at the time. ‘And if you would combined those two together, that’s what I wanted when I first supported him, that’s what I expected when I first supported him.”

“But you can’t just go with gut forever,” he added.

Cuban’s comments followed a rocky hour-and-a-half-long White House news conference, in which Trump repeatedly berated members of the press and went on extended rants about media dishonesty and government leakers.