I think it's her lack of restraint which is the concern, coupled with her fanatical demands for the throne despite having never set foot in Westeros.
What fanatical demands are these?
She's acting tough because that's what she has to do, shes posturing.
It's become trendy to think Dany is nuts but it has absolutely no solid ground.
If she wasn't a Targ it wouldn't even be discussed.
I mean what is she supposed to do with the Tarlys say bend the knee or burn and then not actually follow through?
Did Jon get this criticism when he hung a 10 year old kid? I doubt it.
This wasn't necessarily directed at you Timbo just the ridiculous argument.