Okay, this is true. But LessWrong is currently a set of articles. So the medium is essentially unchanged, and any of these criticisms apply to the current form.

LessWrong activity seems to shift more into meatspace as time goes on.

We have the study hall for people with akrasia that provides different help then just reading an article about akrasia.

CFAR partly did grow out of LW and they hold workshops.