I'm going to go out on a limb here (mind you it's a quite large, stout limb) and say "because it's an internal method not meant for export" (leading underscores are conventionally used for such subs).

The cake is a lie.
The cake is a lie.
The cake is a lie.

In reply to Re^3: Subclassing, done right? by Fletch
in thread Subclassing, done right? by isync

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