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This is assuming all the content is sRGB, which is not a safe assumption especially if you care about color management to begin with.

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If the content is not in sRGB, don't you need to actually know the contents color profile in order to convert it to sRGB? How does the monitor profile matter at this point?

(not challenging, just asking, I know next to nothing about color correction)

You don't want to convert to sRGB, you want to convert to the display device color space (which in professional displays is often larger than sRGB).

Most desktop environments and applications assume that the source is sRGB, unless specifically tagged (in image metadata).

So you have two points: source (image, video) and reproduction device (display, printer etc). And you convert colors from the former to the later. sRGB may not even come into play if the source image is AdobeRGB and the display is a wide-gammut pro LCD display!

Does the software know how to bypass the LUT, or do you in effect get a double conversion?

which LUT?

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