"pegasus" and "alicorn" implications

Background Pony #76E1
Would that mean that unicorn, pegasus, or alicorn should be omitted from a posts’s tags if the relevant wings or horn are not visible (such as being obscured or out of frame)?
I realize that implications are sometimes set up because they’re almost always correct, and users are expected to remove the implied tag afterward in the few cases it’s wrong; I worry that’d occur too often with these tags.
(n.b. ambiguous race is available for use, but IMO is mostly relevant for images where you can’t tell if Twilight has wings or not)
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