MBTI is generally used in the workplace as some sort of tool to help people better deal with diverse tendencies. I don't know of the "typology" aspect being promoted, just that people all have their own preferences and the letters can explain some of the ways we differ. Like some people respond to bluntness better than others (T types) and you just sort of have to accept that universal approaches don't work. It's not pigeonholing people into 16 types and then saying "this is how they operate" with a rigid cognitive function map.Also, MBTI is still used in work places. Socionics, as far as I'm aware, is almost universally derided as bullshit the few times I've tried bringing it up. People have the similar criticisms about MBTI as well, but there are companies that use it quite successfully. Something Socionics can't claim.