Photo Downloader modifying embedded color profiles

When downloading files from a camera, Photo Downloader apparently modifies embedded color profiles. Even those pictures that had been shot using AdobeRGB have their profile replaced by some profile called "Camera RGB"... whatever that is.
Does Photo Downloader actually
b convert
to this profile or does it just
b assign
it?
Anyway, is there a way to prevent Photo Downloader from modifying embedded profiles?
Thanks!

This excerpt is from a long-gone post by the late, lamented author Bruce Fraser:
Bruce Fraser - 4:17pm Jun 14, 04 PST (#5 of 21)
Opening files directly from the camera is a bad idea for a variety of reasons*, and it most certainly isn't faster than using a FireWire or USB2 card reader.
         Drains the camera battery
         Runs the risk of the software you're using to open the images writing to the card and destroying the format
         Runs a small but significant risk of USB power frying the camera
         Slowest method known to mankind of getting images off a CF or SD card

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    borisbastoss wrote:
    But what color profile do i assign when i export to PDF, to send off for printing? What is important to take into account regarding the commercial printer?
    Just to be clear, in a properly color managed workflow, you do not assign at the PDF export stage. You would either preserve all profiles, or convert to a destination profile. The term assign would lead some to believe there is false profiling going on but I realize that is not what you meant.
    You must contact the commercial printer to find out whether to convert to his destination color, or instead perform no color conversion and preserve your current source color spaces.
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    borisbastoss wrote:
    My sole objective however is to see on my screen as exactly possible as what comes out of the printer on the other side of town.
    It can be difficult to get an extremely accurate soft proof. You need the destination ICC profile, and the proper tools for your display to translate this color space for you to see. If your printer is using the SWOP (Specifications for Web Offset Printing) standard or GRACoL, then there are ICC profiles you can download from the IdeAlliance website:
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    ray7199 wrote:
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