This might be peak boomer. Like, there is an effective way to do this, even if the goal is still ultimately evil. Set up a trust for a local scholarship and make your son the first, honorary recipient, anything that you are sure would directly benefit people you can see.

But, no, I'm going to leave it in my will (I won't deprive myself) and I'm going to blindly hand it over to a third party and wash my hands of it.