This article is as unscientific as it claims the Myers-Briggs test to be. It does not prove the Myers-Briggs test wrong, but instead claims that there is no evidence to support it. Well, in science, if you want to claim that something is wrong, you need two things: the theory must be falsifiable and you need to falsify it. Just claiming something has no evidence is not enough.

Some more critique on the article.

1. The Myers Briggs test result does not need to be binary. There are variants of the tests that give you a score on each of its 4 axes (Introvert/Extrovert, Sensing/Intuitive, Feeling/Thinking, Judging/Perceptive). For example, see https://www.16personalities.com/free-personality-test

2. The test results do not always talk about positive qualities. For example, here is a discussion of strengths and weaknesses of the ISFJ personality. https://www.16personalities.com/isfj-strengths-and-weaknesse....

Finally, on the point of falsification, I would like to suggest the following test. Take a group of people and let them take the test. Now let the close friends of the test taker read all the personality type descriptions and chose one for the test taker. Find the correlation between the friends' choices and the test results. If the correlation is significant, then the test is meaningful. Otherwise not meaningful.