That's not a very charitable way to interpret their statement.
It might be true, which indeed would be problematic, but it could also be the clearest example/stereotype/cultural signalling.
Something like not all sluts present that way, but people presenting that way might want to be interpreted as sluts.
Nuance in text is hard, we don't have to make it harder by assuming the worse interpretation.
Ooh, nice, good playfighting clips are very rare.
Great find, @dugmeup, thank you for sharing!