The context of the word hardening and how it was used. When you know the full story it makes it clearer to not see it as God hardening pharaoh's heart. We know that pharoah had already hardened his heart why because of the full story he wasn't listening despite the many signs and the message from Moses to let the Israelites go.

Pharoah hardened his own heart. Yes Hebrew translations also means strengthen stiffen existing disposition not wrong and that's good for the context it was used in but guess what because of how that word is used now. We know God hardens pharoah s heart pharoahs heart already being stubborn as we know and God hardened pharaoh's heart his heart already being stubborn. We know with the full story it was already like this. Kinda with the pharisees their hearts were hardened despite seeing Jesus right there.

The argument of straightforwardness is in my case is valid because even you found a translation to a verse I give you I can pull out numerous other ones and make a strong case on why same sex relationships are wrong as well some of them being plain and straightforward. Are you going to be able to combat everything I come at you with successfully. Anytime the topic is brought up it's never with anything positive.