In what way? I was expecting a let down but was pleasantly surprised by it.
I don't like mandalorian stuff in Rebels or TCW, and Legacy of Mandalore was just more of that. It also didn't help that I could have called ever story beat in my sleep, or that outside of Sabine I hated every "mandalorian" character in the episode. The villain was also terrible, as was Sabine's mother. Same with their whole BS "mandalorian" culture, but that's to be expected at this point since I'm a hardcore Karen Traviss mandalorian fan and feel nothing but disdain (at best) for the Filoni "mandalorians". Sabine was admittedly growing on me, if I ignored her calling herself "mandalorian" I might even say she's one of the best main characters. But, in the end, the episode went exactly as I expected, and we even lost one of the more developed cast members.
But, like I said, at least with her gone we probably won't be seeing the Filoni mandalorians for awhile. So maybe they'll focus on more interesting stuff, like Thrawn, fulcrum, bendu, etc. now.