I found NOTHING in your linked article that associates these people with ACORN, past or present. No associations of the organization of the officers thereof.
However, we do know that BCFS has been registered as a non-profit with the IRS since 1944 and we do know they published press releases under the now-defunct domain name texasbaptist.org.
But there's certainly enough grey here to warrant a concerted FR investigation.
I Read this as the author comparing nonprofit front groups, receiving grants to carry out left agenda, as (acornlike) even if means ignoring laws. The media reports this as faith-based...part of the deception