How to use the phrase "Pyrrhic victory"

The following example is taken from Randall C. Kennedy's article, "Latest survey numbers bode poorly for Windows 7, Linux":

In other words, though Microsoft may not be able to dislodge its own legacy product from the PC desktop throne, it can at least point to this Pyrrhic victory against its archenemy the FOSS community as a bright spot in an otherwise dismal forecast.

Pyrrhic victory – definition of Pyrrhic victory by the Free Online Dictionary, Thesaurus and Encyclopedia (with audio pronunciation):

1. A victory that is offset by staggering losses.
2. A victory in which the victor's losses are as great as those of the defeated [after Pyrrhus, who defeated the Romans in 279 bc but suffered heavy losses] .