Ha! Very good.
The reason it is sometimes worth saying "highly available" is that most people don't know or don't understand the CAP theorem. Also, the A in CAP is one (very strict) definition of availability and not necessarily the one that everyone chooses to use.
The choice of "yield" as an alternative word for that use was spot-on:
http://radlab.cs.berkeley.edu/people/fox/static/pubs/pdf/c18...
