Yep. And, it seems you're rational too, as the article goes on to say...
"...and that in such a world for retirees in particular, immediate annuities may actually be one of the least effective solutions to address such concerns, due to the fact that their value is adversely correlated to the very health shocks against which retirees are trying to protect. Accordingly, the reality may be that the low use of immediate annuities is not a behavioral fallacy or due to a lack of consumer education, but simply an entirely rational way to handle the uncertainties of future changes in life and health."
So, you've still got a wad of $$$ and you're rationale. I'd say that makes this a banner day.