First, I made no claim, I simply asked you to back up your specific assertion. You did not.
Thanks for your engaging and civil tone; it's lovely.
Another reason hospitals may expand is to allow them to care for a more diverse set of patients (eg, more severe trauma), and therefore bring in more revenue, but that says nothing about better care. Many times, simple treatments can improve care. For example, restriction of antibiotic use and isolation of patients will decrease rates nosocomial MRSA infection. Surgeons using checklists is another example.
Whoa, easy, Trigger. You use a few technicalities here to go around my point - which is that it's overall probably a good thing if St. E's is expanding or constructing new facilities. Whether it's to improve existing care or to offer new treatments targeting new pathologies, this is still a good thing, no?
And while "simple treatments," as you put it (though, to be as much of a technicality-focused pain in the tuckus as you were, your examples weren't "treatments" but changes to protocols or procedures), can also improve care, does mean that new facilities and technologies do not help improve care? Just because non-costly procedural changes like your Atul Gawande example with checklists can improve care, that doesn't mean that capital improvements can't also improve care.
I don't know why you're demanding that I provide research showing that new facilities and technologies lead to better outcomes; it's sort of odd that you would do this when I initially noted "Do the newest facilities necessarily mean better care? Probably not" but that there was a good chance of this.
Nonetheless, I'll play along: A quick Google search shows that busier hospitals and magnet hospitals lead to better outcomes - if St. E's expands, it would likely become busier and potentially ultimately a magnet hospital. As for the impact of specifically new facilities, there's nothing that comes up in a 5-second search, but I don't think many people would prefer to be in a 1970s facility versus one built in 2013.
http://jnci.oxfordjournals.org/content/95/10/700.full
http://www.thirdage.com/medical-care/magnet-hospitals-have-better-outcomes
I don't know why you're against hospital capital investment, but I for one think it would *probably* be on balance a good thing to see upgrades at St. E's assuming they're not just pissing away the money for no reason other than to spend it.