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Yep Carl;
As you mentioned before, there's other qualitative constraints as well eg: the large scale structure.
They're also constrained indirectly by the Supernova data, I think.
.. and lensing as well.
They could also play with the different classes of DM to adjust the whole mix, but these would also be constrained by the same measurement data.
This is why they need more info to pin a few of these things down, eh ?
(Like the AMS, Ice Cube, etc).
We might complain bout the non-intuitiveness of it all, but without more data, it'll always seem weird.
That the CMBR and the Standard Model fit so well and produce the same ratios, is totally amazing !
Which is why, I guess we just have to accept it !
Cheers
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