Alienation is estrangement from others caused by consequential external similarities masking inconsequential inner differences.
Humanization is estrangement from others caused by inconsequential external differences masking consequential inner similarities.
You’re alone in both conditions, but lonely only in the first.
Among other things, my duty is to read the local timeline and catch up on everyone's posts. I need to take the temperature of the network and also provide social lubrication where necessary. ("Hey, you just mentioned you're traveling to Montreal! So-and-so lives there, maybe you should message them and see if they want to meet up.") Catching up on all local posts would take forever with hundreds of active users, but with dozens, I only have to read the timeline for 20 minutes a day.