rewrite thefollowing points in simple terms

1. It lacks scientific rigour.
2. It is vague about how the concept of self-actualisation is derived.
3. It has been challenged for its rigid structuring of higher-level needs.
Critics have pointed out that people tend to differ in the value they
place on some of the levels of need. For example, some people may
consider that developing a relationship (a love need) has priority over
high academic achievement (an esteem need).
4. In collectivist cultures, the notion of self-actualisation may make no
sense at all

1. It is not very scientific.

2. It doesn't explain where the idea of self-actualisation comes from clearly.
3. Some people disagree with how it categorizes different needs.
4. In some cultures, the idea of self-actualisation doesn't apply.