There are no studies that conclusively establish that parents and grandparents are either a drain or a benefit in the context of services, the economy, or health care. In the absence of that data, we are troubled by the assumption that parents and grandparents would use up the services that we cannot afford. So we are disturbed by this proposal.
It would just be a new head tax under a different name and it would only serve to create a two-tier immigration system, one for the rich and another for the majority.