It tracks with the rest of the story. Homie is clearly extremely bad at fully understanding the inevitable future consequence of his actions. Somewhat ironic given his parents are esteemed lawyers.

Suppose you are out on bail facing felony charges that could earn you a long prison sentence, but you also think you would have a decent chance of getting acquitted or at least getting a much lighter sentence if a few specific witnesses for the prosecution were not cooperating with the prosecution.

Intimidating those witnesses might then be worth it even if getting caught at that means spending the time between now and the end of your trial in jail.

From another comment it appears that he is someone who would take a bet if it is slightly in his favor, even if the reward is only a little more valuable than the risk.

The elite in the US, after indictment, say things like "IF YOU GO AFTER ME, I’M COMING AFTER YOU!", with little more than a stern warning.

SBF imagined himself among the elite; he's not.

Why? People do all kinds of nonsense when put under the gun. This is why so many crimes result in the perpetrator making seemingly moronic decisions that easily get them caught.

When faced with a situation like this it can be agonizing and you're powerless. You would definitely harbor fantasies that there's just one little thing you could do to fix everything.

All you have to do is convince yourself that you just might be successful. If your case is hopeless, and the consequences catastrophic, literally anything you try including summoning space aliens is better than accepting certain defeat.

Like most wealthy elites: They think rules are merely suggestions, and their superior intellect and wealth will insulate them.