Philosophy is Useful

Phylosophy isn't useful for itselt

Irrelevant Conclusion

This is getting away from the original question which is "Philosophy is useful". Adding that it is not useful for itself gets away from the point.

Philosophy is Useful

Why do people hold philosophy higher then critical thinking?

Begging The Question

This is unrelated to the question. Furthermore, critical thinking is one of the studies contained in the greater term "Philosophy" which makes this statement useless.