Can I be banned if I flex creative with Macro in front of my friends in fortnite, I take it zero to my advantage?

Can I be banned if I flex creative with Macro in front of my friends in fortnite, I take it zero to my advantage?

Yes you can

Yes, of course, that's a ban reason.

Any way that you can have an advantage in a way that is not intended by Epic can also be banned in Kreativ, I would not risk it. You can quickly collect a Permabann for this.