Ruling on a motion to dismiss Karmel Al Haj’s complaint against Pfizer Inc. under the Illinois Consumer Fraud Act, U.S. District Judge Gary Feinerman likened the company’s marketing pitch for “maximum strength” Robitussin to the flimflam of a “carnival game operator.”Al Haj alleged he paid extra for “maximum strength” Robitussin because he expected it would have a higher concentration of its two active ingredients — dextromethorphan hydrobromide (called “DXM Hbr …