freebeer
Pedantic humourless response:
Google maps and imagery are under copyright and may not be used as a source for additions or changes, as we do not have the needed permission.
Whether they can be used as a reference is a less clear grey area, but nothing should be added to or changed in OSM based on that.  If someone has drawn a rough outline of a Pokemon carpark from personal knowledge, that we cannot see in any imagery for which we have permission (out-of-date, new construction), an individual mapper may choose to clarify her or his doubts on the validity of the contribution by casting a gaze at other resources, but this is a personal decision, not green-lighted by OSM, and which other mappers may choose not to do, preferring lack-of-knowledge over knowledge tainted by unapproved sources.
Then again, OSM is based on knowledge, which can come from personal experience or from learning and research, so where does one draw the line between blindly copying data, and learning details about something much like verbal hand-me-downs?
And in this particular case, you refer to google maps (refer -> reference, I think not) in stating a fact that is unrelated to OSM in a discussion where it is not forbidden.  Google has no patent or copyright over Mercator (I hope; I'll ask my lawyer to spend a few months looking into this) so the issue does not concern us or them.
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Short snarky answer:
Stop referring to gmaps!!1!  gmaps cannot be used as a reference!!!¡!!1!!!!!!!‼
There.  Latest mentioned bug taken care of.
I await a one-word followup...