Discussion about P13,pass,O17

At position P13,pass,O17, @Joeyak10 started the conversation:

Why is there nothing following this?

( FYI @aesalon )

There are only a few games. Just enough to see that O17 is a continuation in multiple games but not enough to go further.

Click the link in https://online-go.com/joseki/38272 to see the games.