Read the following argument regarding medication accessibility in the healthcare system:
A recent governmental report highlights the disparities in medication accessibility across different socio-economic groups. It asserts that individuals from lower-income backgrounds often experience significant barriers in accessing essential medications, leading to worsening health outcomes. The report calls for policy reforms aimed at reducing these disparities, including subsidizing essential medications for low-income populations and implementing stricter regulations on pharmaceutical pricing. Critics of the report argue that the focus should instead be on improving overall healthcare system efficiency rather than directly subsidizing medications. They contend that such subsidies could lead to increased spending and may not address the root causes of healthcare inequity. Evaluate the arguments made in this discussion and determine which conclusion is best supported by the evidence presented.