It always has been and always will be. Broad is the path that leads to destruction, and many there are that follow it.
Thankfully though, despite massive attempts to annihilate religion, true Christianity has stood the test of time because it has God as its protection. Try as they might, the irreligious can not stamp it out no matter how brutal they become towards God’s people.
Could you provide a few examples of untrue Christianity?
There’s a stairway to heaven and a highway to hell.
During the ascendancy of progressive thought in the early 20th century, G.K. Chesterton said something to the effect of (and I'm paraphrasing here):
I've been asked many times why I cling to an ancient and antiquated faith. I believe it precisely because it is ancient and antiquated. Unlike any other belief system it has been tried, tested, persecuted, prosecuted, assailed, scorned, and subjected to the greatest scrutiny, and yet in the face of all that, it has endured.