Democrats, who are within reach of the 60 votes needed to break a filibuster in the Senate, would also face high expectations, especially from the party’s more liberal quarters, that could be difficult to meet even with enhanced numbers in the Senate as well as the House. And they would be at risk of overreaching, a tendency that has deeply damaged both parties in similar situations in the past.
Obviously, the more seats a given party wins, the more it has to lose the next time around. In that sense, yes, victory leads to “risk.” But nothing lasts forever — certainly not grasp on political power. The real risk is the risk of not seizing the opportunity to accomplish useful things.