...It is correct...
Depends on what the definition of "is" is
Whether it is correct or not depends on the context. And the context is the following:
I shot some landscapes the other day, i set my color space on my canon 1ds mark3 to landscape, downloaded and went to ACR to process, thats when i noticed the color space was set to adobe standard which was very different. I called canon only to find, apparently photoshop cc does not support the canon colorspaces and changes it to their standard.
The context here is that OP doesn't seem to be very versed in the differences between color spaces, camera profiles, Canon styles, etc. The OP's basic problem is thus
practical, rather than semantic hairsplitting among experts. She is getting something "very different" from Adobe's standard rendering than what she got using Canon Landscape Styles. Then she got the impression, talking to Canon, that she is
stuck with Adobe's standard. That last part is what I said is not correct, simply because she apparently is not aware that she can select Adobe's Landscape Style from the menu. Which is what xpatUSA and I pointed out.
Again, remember, the essence of the context is in the words "very different." Had she tried Adobe's Landscape and THEN claimed that the result is still "very different," I would be wrong. Whether something is identical or merely resembles it, is only critical (for practical purposes) if the resembling is way off. And, in this case, it isn't.