Sociologists have shown that humans max out on about 7-12 novel and meaningful choices before they have to employ some sort of heuristics to reduce a larger set down to around this number. What's more, the process of pre-elimination choices demotivates the selector more than just giving them a smaller selection in the first place.
So as counter-intuitive as it seems, you as a carpenter/on-demand gourmet chef/requirements engineer/etc. are better off showing a stakeholder a small but rich set of options rather than giving them a huge catalog and offering to do anything out of it.
Clearly the boss has forgotten what he said on 3 July 2010, 11 Jan 2003, and in particular 15 August 2001 (when he showed he knew about double-blind tests). But then, as he said on 23 February 2006, "I don't bother remembering things I can write down."