there are hypotheses. to say something as objectively wrong without objective basis is not reasonable

behavior described by the Socionics theory can be researched objectively: % of divorces among different IR, abbilities to solve logical tasks by F and T types, etc

typing matches are above accidental. hence Jung types exists and typing methods work
also there are subjective observations when people behave according to expected by the types theory
when you'll type better you'll can to notice this too. to start is good from understanding of your own type in what you have evident difficulties. make typing theme with a video. then mb you'll see empirical evidence in your own experience

much of Socionics theory mb correct and objectively proved sometimes