Money isn't speech and corporations aren't people. Most people get that. According to the U.S. Supreme Court, however, political contributions by corporations and the richest Americans actually are free speech and entitled to special protection. Even when they're made in secret.
Last month was not exactly a Patrick Henry moment for Mitch McConnell when, in essence, he said: "I know not what course others may take, but as for me, give me tax breaks for the very rich or death to all other worthy legislation".