what is an "immigrant vote"? pretty sure illegal immigrants don't vote. and i seriously doubt even legal immigrant workers vote in large numbers.
big pharma is much more wealthy, devious, and has a greater impact on lives than all other industries. pharmacueticals, insurance, and oil are the three biggest industries (profit wise) on earth. given that health insurance is intimately interconnected with pharmacueticals, you could say the chemical based medical industry is THE largest and most profitable industry on the planet.
and given that they actively suppress healing technology such as ozone and a whole host of others, an argument could be made that their negative influence far outstrips any other industry.