Most religions, denominations and even rival churches of the same denomination but with slightly different practices, teach that they are the one true path to salvation and all others will simply suffer the fates.
I live and work close to Bob Jones University, where being consigned to hell for non compliance is an art form. Around here it is not uncommon to read "Love Jesus, or burn forever in Hell." Try that one one on your kids. "Love Daddy, or I will kill you." That's child abuse isn't it??? Ask a Bob Jones student what they believe and it usually comes out in some form of "whatever they say."
When intolerant fundamentalists. who are infected with exlusivism speak, the goal is to spread the virus and get others to agree and support it's propagation. Once you are in, everyone not in, is out, and the virus then endeavors to become immune from attack through bluster, fear, shame and guilt.