The JWST is only now entering science operations. What you see is pretty pictures taken as part of the commissioning and PR efforts of NASA.

The actual science is yet to come, but will likely not look as spectacular to the layperson.

Edit: Here is an overview of the science that JWST is going to be doing in Cycle 1: https://www.stsci.edu/jwst/science-execution/approved-progra....