Earlier quoted context omitted.
You've been dealing with the wrong folks then because all Christians should believe what James says when we says James 2:14-20, 26 (NET) What good is it, my brothers and sisters, if someone claims to have faith but does not have works? Can this kind of faith save him? If a brother or sister is poorly clothed and lacks daily food, and one of you says to them, “Go in peace, keep warm and eat well,” but you do not give…
>all Christians should believe I think this is the point being made: your 'should', and by extension your quote, has no meaning when grace is defined as the single goal of spiritual life, and then is reduced to a simple transaction.
The term we have for those folks is that they're doing "easy-believism" and it's broadly a pitfall within Christianity. It's not considered normative to so heavily lean on grace in the way that you're describing