So here I was on my 'high' horse ranting a bit about programs that allow anyone to go ahead and swap out skies.
FStoppers came out with and article 'Is Sky Replacement Ethical in Landscape Photography?'
And then I go ahead and do some wicked fun stuff with Infrared. So my conclusion is. If photography is art for you, do what you wish. If it is documentation photography, then stick as close to the real thing as possible.
Some days I am documenting things like fungi, slime mold, and wildflowers. Other days I am looking into a wild and strange world with colors than the eye cannot see.
Infrared shots with a 665nm filter and I used a filter called Nostaligic from DxO Color Efex.
So really. Who am I to say anything?