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In this comment, I illustrate that the formula $\Gamma=A\sqrt{\delta}$ suggested in arXiv:1603.07667 comes from a kinematical factor, and has no relation to the existence or non-existence of the $X(5568)$.
K. A. Olive et al, Chin. Phys. C38
2014
Earlier work this paper cites.
A. Esposito, A. Pilloni and A. D. Polosa, arXiv:1603.07667
Cited in the paper.
V. M. Abazov et al, arXiv:1602.07588
Cited in the paper.
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