The Latest Examples and Templates section of the FL Discourse site contains a number of examples created by the developer.
Also, the File menu of the application (once a document is created) has an Open Examples… action that opens access to several examples. (I did not check for overlaps between the two sources.)
Flying Logic will not teach logic, nor how to design and interpret decision models, etc. Just as Excel will not teach someone to build a financial model or statistical analysis. It’s the kind of software that depends on what you bring to the party, but isn’t the party.