I am not so grounded knowlege wise about this two gentlemen and their histories. However over here in the east, there is this assumption/school of thought that during Obasanjo's era, he seized Ibeto cement license to operate thereby giving Dangote monopoly over the cement industry.

Note: This post is not to stir up tribal/religious war here. I simply need your opinion on what you think or know transpired. As a saying goes "No smoke without fire"