None of it would have happened if Bamber hadn't killed the family! Would you have given it to Charity?
RB even took it upon himself to involve himself in Mabel Speakman's change of Will. She didn't have to change it, but of course he wanted Pamela to get all her money, not just half of it.
I wouldn't have been finding out who inherits so soon after the deaths - would you?
Of course they wanted the dosh - get real.