In Georgetown (and, to a lesser extent, South Park) the Upzoning idea isn't really feasible.
To start with, the residential, single family homes aren't
along the waterfront -- there's a significant existing buffer of industral & manufactuing along the Duwamish River already. The few blocks of residential is back further from that, closer to the base of Beacon Hill.
The proximity of King County Airport (aka Boeing Field) -- literally across the street
from half of Georgetown's already very few blocks of residential area -- imposes high restrictions (re: airplane approaches & takeoffs) which, when combined with the pervasive airport/jet engine noise, makes the idea of building larger mixed-use commercial/residential buildings --like those seen on Capitol Hill-- simply a fiscally non-vialbe option. (Can't go high enough to make them affordablable or quiet enough to charge high-end rents)
And the lack of any acknowledgement of the coming Georgetown Wet Weather Water Treatment Station
makes me feel like this group didn't really do a very good job of researching the specifics of the area they've attempted to make recommendations for.