Individual critters will have their own "personalities". Some will be typical - hide most of the time, docile, but they can take or leave interaction with people.
I have two out of several dozen that are like you describe: not at all fearful, curious, will pop out of the tubs and crawl on you of their own volition, etc. Now that said, when they come out I don't know if it's because they "like" me, or if it's because I'm just a convenient stepping stone to the neighboring rack of females...