Opponents said reformers shouldn't jump the gun, since 1) the decision did not deal with soft money; and 2) the court refused to overturn its 1976 decision that campaign spending limits do impede free speech.
Opponents and reformers should not act prematurely without considering all of the factors. 
mnli hypothesis: Opponents and reformers should not act prematurely without considering all of the factors.  premise: Opponents said reformers shouldn't jump the gun, since 1) the decision did not deal with soft money; and 2) the court refused to overturn its 1976 decision that campaign spending limits do impede free speech.