They are lobbying to maintain the status quo. I think their big fear is some politician deciding to sell off the amateur spectrum to Verizon or getting convince

They are lobbying to maintain the status quo. I think their big fear is some politician deciding to sell off the amateur spectrum to Verizon or getting convinced by Cisco that ham radio is bad for wifi and needs to be more tightly regulated. That said, I cannot speak to whether they are efficient at their lobbying or not.