To our discredit, the Sunni insurgency has done a better job delivering on this point, irregardless of the brutality level they have used to achieve it.
So regardless (not irregardless) of whether a company would refuse to hire for poor grammar, why not take the opportunity as an employee or as an entrepreneur to hone this skill?
We will provide the services, whether they are health care services or education for their children or anything else we can do, irregardless of the federal government rightly trying to make sense out of our immigration policy.