I'm with Mr. D on this. Density was only a minor footnote in Reilly's communique.
Overall it seems like he's genuinely trying to make the development of this site into a better gateway to the lakefront. Maggie Daley Park improved the connection from Millennium Park to Navy Pier somewhat, but this site is still a huge missing link for tourists and Chicagoans alike.
I had similar concerns when Magellan first unveiled the site plan. It's a hugely suburban layout, it just has very tall and sleek buildings in place of squat little garden apartments. Literally half of the so-called "open space" is taken up by individual car dropoffs and private fenced pool areas. I do think the site planning would be better if the buildings were pushed to the edges and a larger green space (or plaza, etc) created in the middle.
Seriously, at such an important site, there's no reason the architects should take this as inspiration:
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