My F/J flights this year I usually have to decline drinks after the 3rd or 4th. Specially after the meal service they really want to empty those wine bottles it seems. Generally very good service.
Culturally, it's going to be an issue on TPAC if they chastise people for using the call button. It's the norm for meal/drink interactions in many of the destination countries and the norm for many of the TPAC based carriers.