This abstract combines two recent works:
Charmless Two-body Baryonic Bu,d,s Decays Revisited, by C.-K. Chua, published in Phys. Rev. D89 (2014) 5, 056003,
Smallness of Tree-dominated Charmless Two-body Baryonic B Decay Rates ,
by H.-Y. Cheng and C.-K. Chua, Phys. Rev. D91 (2015) 3, 036003.