Don't all these points apply to all Christians?
Barna defines "evangelicals" as those who have made a personal commitment to Jesus Christ and have accepted Christ as their Savior, and who affirm seven criteria: They 1) say their faith is very important in their life today, 2) believe they have a personal responsibility to share their faith with non-Christians, 3) believe that Satan exists, 4) believe that eternal salvation is possible only through grace, not works, 5) believe that Jesus Christ lived a sinless life on earth, 6) believe that the Bible is accurate in all that it teaches, and, 7) describe God as the all-knowing, all-powerful, perfect Deity who created the universe and still rules it today.
Don't all these points apply to all Christians?
No. There are many that call themselves Christians, but do not believe those points. The article should have added some of the morals that "evangelicals" believe, such as teachings against homosexuality, abortion, etc. that are approved by mainline churches.