I suppose they just see something they like ?
That's not always a good thing, lol
I don't direct message people and I don't really add people either.
There's a few I met here, but most were my pals at experience project.

I'm your neighbour Susana

Yeah usually when I go look at their profile they'll be following 1000s of other users. So it's like they're just adding anyone they come across that they haven't added already for some reason🤷🏼
乂^‿^乂

Lol…… happens all the time. I usually let them keep following unless they’re flying one too many freak flags.

The rest of them block you for the same reasons