intellectual endeavour (although people reading LW are unlikely to be doing too little of that)
Unless they are spending all their time reading community sites such as LW as a substitute for, say, acquiring the kind of detailed, in-depth understanding that you typically need textbooks for.
Unless they are spending all their time reading community sites such as LW as a substitute for, say, acquiring the kind of detailed, in-depth understanding that you typically need textbooks for.