Although cattle do have less sensitivity to higher wavelengths of human visible light, red, at the low end of the spectrum, is one of the colours they can differentiate well.
I think basing colour testing on cultural differences has some merit, but one can't draw conclusions about what the results would be from such testing, if these tests have not been done.
I wouldn't go so far as to say that anti-Taksin Thais would attempt to 'kill' an opponent randomly chosen to wear red shorts; but there are extremists in most political groups. Yellow and pink are associated with the monarchy, mainly because the king has expressed a preference to these colours. Again, it is difficult to say whether these preferences would extend to sporting contests.
Regardless of the reasons, the question remains whether it is in fact an advantage to be in red in a sporting contest, all other things being equal. The findings in the tests done say it is.
I think basing colour testing on cultural differences has some merit, but one can't draw conclusions about what the results would be from such testing, if these tests have not been done.
I wouldn't go so far as to say that anti-Taksin Thais would attempt to 'kill' an opponent randomly chosen to wear red shorts; but there are extremists in most political groups. Yellow and pink are associated with the monarchy, mainly because the king has expressed a preference to these colours. Again, it is difficult to say whether these preferences would extend to sporting contests.
Regardless of the reasons, the question remains whether it is in fact an advantage to be in red in a sporting contest, all other things being equal. The findings in the tests done say it is.

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