I realize I'm very late to the party here, but I just saw the show today on a whim, and honestly I didn't think it was nearly as bad I expected based the word of mouth. In fact I was pretty consistently engaged. I found it to be an interesting look into the life of a liberal making due, and finding her place, in a Republican social circle. The interweaving of themes - politics, gender, age, sex, marriage, ambition - while certainly not all that original, added up to a unique take on our current climate that made the play feel worthwhile. Many of the jokes did feel forced, but there were also some genuine laughs to be found.
I absolutely think my experience was heightened by the extremely low bar I set for the show - I won't deny that. And sure it's far from perfect, and not remotely life-changing. But I just wanted to chime in with my perspective to balance out the thread just a little bit.
Also, for what it's worth, the audience today was very engaged. There were lots of laughs, and in the climactic scene between Thurman and Brown, the audience gasped and "ooh"ed and even applauded at the end. They then promptly and eagerly gave the show a standing ovation (which I know means nothing these days, but you can sort of get sense for how much they really mean it by how quickly they get up). I would describe my experience as "engaged and pleasantly surprised," but I actually think the majority of today's audience genuinely really enjoyed it.