We don't see too much of Trill Society outside of the context of joining— even though a sizable majority isn't joined.  It's not until (SPOILERS) we meet Ezri's family in "Prodigal Daughter" that we see anyone who is all, "Yeah, you're joined.  You think that makes you special or something?"  Which is probably why…

Having recently done an Enterprise rewatch myself, I agree with a lot of what you said.   There is fanservice, especially in the first season… but it's actually pretty equal opportunity.  Bakula and Trineer have their clothes off as much, if not more, than Blalock.  As for Bakula's performance… it's really odd.  The…

Yeah, a lot of the stories where she's the lead tend to be other people's stories that she's a part of.  Which led to her being in the center for Klingon stories more than Trill stories.