- Annuity has no legacy value (either you want the money for you or for your heirs)
- Annuity is quite illiquid (you can't get at the money without substantial surrender charges/penalties)
- Annuity does not have the potential to grow like your stock investments over long periods (due to participation limits, caps, and the like)...compare them to bonds not stocks
- Longevity risk
- Inflation risk (possibly, if you ladder annuities over a period of years rather than index them to the CPI)
- Sequence of return risk
If you have an annuity (if you pensionized a portion of your income), then you will always be able to rely on that much at least.
The authors bring up an interesting point and the book is very good and easy to read.