How to not support your students

I am at a meeting now, and observed this incident. A prominent scientist gave a featured talk, and at the end went though the acknowledgements as follows:

"The work I presented was done primarily by Postdoc A and really talented Students B and C. Student C is here at the meeting and will be presenting a great poster on this topic in tomorrow's poster session. You should go talk to Student C to hear more about this research aspect and for some detailed discussions. The poster is tomorrow."

The speaker went on thank funding agencies, and talk about Postdoc A's new position. Just before concluding, the speaker looked at the list of research group members and then said "Student X is here too. With a poster."It was said so fast I didn't catch the name, and the speaker had already put down the pointer.

I am pretty sure both Student C and Student X were in the audience. This struck me as really unfair (I too was in a group with a Golden Boy). I mean, really, would it have killed the speaker to at least announce the times of both posters and point to the names of both students?