Viggo Mortensen's performance when he stands up to make a speech shocks the audience.
With knowledge of the previous scene and the awareness of the family's relationship at the front of our minds, we trust Ben to honour Leslie's wishes, and as an active spectator, we route for him to do so.
However, when he pounds his fist onto the coffin, uprooting a loud and aggressive echo that contrasts the silence, and announces her desire to be 'promptly and unceremoniously flushed down the nearest toilet', the viewers are left conflicted as to how insensitive this can come across. this is reinforced with reaction shots of attendees, especially his children when themselves are surprised by what he says