Totes agree on the parking lot compromise thing.
At the very least, we should mandate that all new parking structures in downtown have green roofs. Imagine little elevated parkings every few blocks offering cool views and helping erase the heat island effect and storm runoff.
Regardless, I'm not sure why you would want medical towers more than 30 stories, especially in an area that has flooded historically and may require mass evacuation in the future. We're lucky the skyline is as high as it is.
Hotel is a less complicated problem.
It's just so ironic because isn't he the guy who pronounced downtown "dead" after developing the Galleria? (I suspect mostly for selfish reasons. That, more than anything, made Gerald Hines--I'm sure he had a large portfolio of cheap land surrounding it. From the seeds of that development probably sprung the modern multinational company. From the Galleria springs the Transbay Tower!)