I tone regularly, to manipulate the image tone and colour.
I use filters to manipulate the spectral response, and vary the tonal relationships.
I don't do a lot of soft focus work, but I know others who do, in order to manipulate the apparent accutance of the image.
I take photos from unusual angles of view, in order to manipulate the apparent relationships between the elements in the scene.
I have friends who manipulate photos by hand colouring them.
I doubt anyone is misled, and I hope many viewers end up being better informed.
Manipulation can be used to mislead or misinform, but very few manipulations do that.