It would matter if they were willing to lose the money to avoid a trial, for starters.
<https://www.allcitybailbonds.com/2015/10/what-makes-someone-...>
A 2007 NYT article describes particulars within the context of one case. In part:
To hear Ms. Weinstock tell it, Ms. Chanla was the ultimate flight risk. She was foreign born, and lacked ties to New York. She swapped identities like a chameleon, using at least two different names, the prosecutor said.
A week ago, detectives with a New York arrest warrant knocked on the door of “her Los Angeles home,” the prosecutor said, and found her parents, who “claimed they had no way of getting in touch with her.”
<https://www.nytimes.com/2007/07/04/nyregion/04bail.html>
SBF is an American citizen with two parents in high-reputation, reasonably high-profile professional positions (at Stanford University), by contrast.
(I've no opinion one way or the other whether or not he should be free on bail.)