No, Christianity is not under attack in the US
“On Tuesday, Attorney General Pam Bondi hosted an inaugural meeting of a task force consisting of other members of President Donald Trump’s cabinet, to discuss its mission to eradicate alleged “anti-Christian bias” within the federal government.”
LOL! This is just propaganda. There is no “anti-Christian bias” in the US government. In fact, there is a pro-Christian bias in the US government.
Christmas is a federal holiday. Good Friday is a holiday in 12 states: Connecticut, Delaware, Florida, Hawaii, Indiana, Kentucky, Louisiana, New Jersey, North Carolina, North Dakota, Tennessee, and Texas. Neither Passover nor any other Jewish holiday is recognized as official federal or state holidays in the United States. Washington State officially recognizes the Muslim Holidays of Eid al-Fitr and Eid al-Adha as state holidays but they are not federal holidays.
Christian churches, just like other faith organizations, are tax-exempt.
The DoJ language identifies opponents of abortion as Christian. While there are certainly Christian sects that oppose abortion (as there are certainly atheists who oppose abortion), there are also pro-choice Christians, including pro-choice Roman Catholics. Jesus was silent on the topic of abortion,
Likewise, anti-vaxxer, anti-gay and pro-homeschooling are not definably Christian. There are both Christians and non-Christians who subscribe to these views, but Jesus was silent on the topics of vaccines, homosexuality and home schooling.
Creationism is a belief of certain Christian sects, but others are fine with evolution science, including the Christian Roman Catholic Church. Jesus was silent on evolution and the age of the earth.
Look, Christianity is privileged in the US. But that doesn’t seem to be enough for the Trump Administration, which prefers to gaslight those of us who support separation of church and state. Trump doesn’t care about Christianity. He does this to divide Americans.
Trump’s phony anti-Christian bias task force

Flags are at half mast because the pope died. Rather than christianity being under attack, I would say the US is now full on Christian Nationalist. We are at an early-mid stage of eliminating any respect for other religions and eliminating their supporters.
Just:
I think what Joel is getting to here is having Christianity their way, which will separate us. In other words, welcome to another period of the crusades.
Many if not most of the so-called attacks on Christianity are attacks by one Christian sect against another Christian sect. Anti-Evangelical (or Anti-Catholic or anti-Protestant, or anti-Mormon, or anti-Red Letter) speech is not anti-Christian bias, it is a theological dispute.
The administration is siding with a specific group of Christians and saying anything against them is anti-Christian. Many of the complaints about improper religious displays and proselytization are coming from other Christians who are uncomfortable with that version of their religion.
Christianity is under attack by fake Christians who are hypocrites and liars. They support Trump a man who clearly resembles the Antichrist more than he resembles Christ. They are wolves in sheep’s clothing.
Christianity has been under attack by the Romans ever since the Council of Rome (382), the Synod of Hippo (393), and two of the Councils of Carthage (397 and 419), despite the recent twelve year truce declared by the late Jesuit priest known as Pope Francis. Jesus of Nazareth was the patron saint of Christian charity and love, whilst Constantine (the Great) and Charlemagne were the patron saints of something entirely other than Christian charity and love.