Anything is possible.
But people just need to keep open minds with everything, and not immediately assume things like that as a cause right up front.
And I am one who believes that Vince Foster most likely expired in a way that involved the Clintons.
I think it says a lot that even people like me who generally eschew conspiracy theories had as a first thought...isn’t THIS convenient.
I think the other side (he knew something bad was going to break OR he just wanted to protect his family from losing everything are also plausible. But I admit, my first thought was foul play.