The band has toured with a variety of bands, including both Christian and non-Christian bands. Some of the bands that As I Lay Dying has toured with include Slayer, Slipknot, Machine Head, and Killswitch Engage. The band has also played at a number of festivals, including Hellfest, Ozzfest, and the Warped Tour.
While it is true that some people may not be receptive to a band that preaches Christianity, the band has found success by appealing to a wide range of fans. As I Lay Dying's music is heavy and aggressive, but it also has a melodic side that appeals to a wider audience. The band's lyrics are often introspective and deal with themes such as personal struggles and redemption, which can resonate with people regardless of their religious beliefs.
Ultimately, whether or not As I Lay Dying is a "Christian band" is a matter of opinion. The band's members are open about their faith and their lyrics are often inspired by their beliefs, but the band does not want to be defined by their religion. As I Lay Dying is a heavy metal band that appeals to a wide range of fans, and they have found success by playing a variety of venues.