Gunsmith artificer and using rope trick on the battlefield. Can I use rope trick to lean out, shoot, and pull back in?

as a gunsmith artificer and using rope trick on the battlefield. Can I use rope trick to lean out, shoot, and pull back in?I'd allow it

— Mike Mearls (@mikemearls) October 25, 2017

Not in my experience – smart enemies just move away or carry cover into area

— Mike Mearls (@mikemearls) October 25, 2017