Oh god please no. Provo would get hurt in that fight really bad. His skills are nowhere where they need to be to compete with the likes of Crawford. Seems like the promoters are using Provo up real fast and are not interested in building his career. Probably because being from the boonies in Russia makes it hard to market him in America so viola! instant trial horse. Crawford is right in the midst of his prime and he should be fighting the top fighters in or around his weight. Any more stay busy fights at this point will only serve to alienate boxing fans.
Of course they want it. The question is whether Arum wants it. It seems like he has Crawford's next two fights already planned and they don't involve Postol. Your ire should be directed at Arum not Crawford. If Arum wanted to make that fight, Crawford wouldn't back away from it.