I have my password memorized, but don't stay logged in long-term even on my home computer and phone because of my security settings, and if I just want to follow a link or check my flist I usually don't bother (and sometimes on a public/shared computer I don't *want* to log in because someone else might see what I'm reading and I don't want other users' flocked content accidentally visible.)

It's not really a big thing on DW, but some websites do stuff like not even having a login button visible on their main homepage. (Or AO3's privacy popover that comes up before you have a chance to log in.)

Yeah, with full visual nudity I'd probably either lock or put the warning on the entry, and it makes sense for journals where that's the raison d'etre, but that's really rare in my journal (and rare in nearly all the journals I follow that use the warning by default.)