MBTI is still the personality test almost everyone has taken at some point, whether at a corporate offsite or through a free quiz at 1am. Over 50 million people have sat some version of it, and it earns that reach honestly: a four-letter type gives you language for personality differences that's easy to remember and easier to explain to a manager who doesn't want the long version.
What it was never built to do is help you weigh a specific decision. Whether you're an INFJ or an ENTJ says nothing about whether the autonomy in a new role is worth the pay cut, or whether the culture at your current job is worth staying for. The Myers & Briggs Company says as much itself: its own ethics guidance states the tool shouldn't be used for hiring or job-assignment decisions, and somewhere between 35 and 50 percent of people get a different type if they retake it a few weeks later.
Kanso doesn't replace any of that. It starts where MBTI stops, once you already know roughly who you are and need to work out what you'd actually give up.