Should nonbelievers, skeptics, and atheists simply sit down and shut up lest the poor, sensitive Christians feel offended that anyone would dare challenge or criticize their beliefs? There has been an increasing number of people, including some prominent liberal pundits, who have basically been calling for that to happen. They want more Christians to vote for Democratic candidates and think that the presence of vocal atheists is too off-putting.
That's a demand for Christian Supremacy: for Christianity to be a privileged ideology which maintains social, cultural, and political power in part because it is kept immune from criticism or challenge. So long as people are prevented from talking about how the emperor has no clothes, the emperor retains power and authority over the sheep who meekly submit. The truth is that we need people who are willing to speak out of turn, willing to be impolite, and willing to rudely challenge those in power.
Christianity isn't an oppressed minority; Christianity is an ideology which has been behind every unjust tradition and power structure that this nation has ever experienced. Christianity doesn't need to be pandered to, it needs to be challenged, questioned, stood up to, and even mocked at times. Christians who don't get that are still part of the problem because they still think that their religion merits special deference and privileges.
Pandering to that attitude in order to attract their political support is like pandering to white racists in order to attract their political support for a program to end racism. Does that makes sense? Of course not. A political party that wants to end privileges for whites has to first convince whites that their privileges are unjust and should never have existed -- only then will their support be positive and productive. Similarly, many Christians need to be convinced that the privileges and deference which have traditionally been accorded to Christianity was never just and shouldn't continue.