I agree yet disagree.
Girls are supposed to look attractive, no need to wear a sack etc. Yet tzniyus definitely comes first ALWAYS. There is no contradiction between dressing nicely and being tzniyusdig (and I’m not talking about elbows & knees- tzniyus requires a lot of sensitivity as well).
Another point: dating IS for “tachlis”, but does not have to be dry. And ‘not being dry’ does not have to jump to going rowing, ice-skating and the like, where there is a 95% chance of an inappropriate situation occurring. Why can’t you enjoy the PERSON and not just the place? Are your best memories of/with a friend only when you went somewhere fun together? Creating good memories and a good time has to do with attitude, personality etc.
I have superb memories of dates- had a really good time- and never went anywhere “exciting”.