Pretty much spot on. It's a shame to see a new character drop from main-plot character to background filler.
The MMO-theme is deeply rooted within the foundations of the plot of Log Horizon, but in SAO it felt more like "additional flavouring". You could just replace the whole MMO-theme with something completely different (haunted amusement park, scary tv gameshow) and it wouldn't change the story very much. In SAOII the MMO-theme plays an even smaller role, because everything is allright~ and plug-and-play now.
That said, the "Mother's Rosario" arc of SAOII was absolutely amazing if you ask me. Some Asuna backstory, and great chemistry with Yuuki, and ofcourse
I abolutely prefer Log Horizon to SAO, but I really don't agree with the general negativity SAO has been receiving. SAO isn't a masterpiece, but it isn't crap either.
And now for something completely different, I really ate too many roasted potatoes yesterday. But they were so good. Garlic makes everything better.