So dressing improperly = being an object?
I won’t deny the reporter dressed like this to garner attention and increase her fame (she has said so). But a woman wearing a less clothing than halacha requires because its hot out? If she isn’t Jewish, why shouldn’t she be comfortable for the weather? She doesn’t have to submit to your sensitivities.
And frum women have a broad spectrum of whats allowed based on their rabbonim. If I follow my Rav, and you think its not tzanua, that is your problem, not mine.