More than 166,000 Wisconsin residents can keep getting government help to pay for health insurance on the Affordable Care Act’s federal exchange, following the U.S. Supreme Court’s decision Thursday upholding subsidies. But experts say the ruling likely won’t end controversy over the health care law.“It’s a critical turning point for the law,” said Donna Friedsam, health policy programs director for the UW Population Health Institute. “But people will continue to nitpick at the ACA at least until the next presidential election is history.”