First, the player players, normally, receive 1-2 pages containing a general summary of the various culture cultures (a few sentences on each). Next is,another page to page and a half based on the culture that interests a given player. These pages will have more indepth information on the culture (including available classes, class variants, and or subclasses found within the culture), notable NPCs, some current events and other notable information. Finally, based on certain class choices (e.g. clerics ), they may get an additional 1-2 pages. For clerics, it would have information on vestments, holy days, tenets, stricture, tailored spell lists to deity, etc. Only after they have read the relevant information, will I consider player submitted concepts, goals, background, etc. for a character (and this is before a player can create their characer mechanically).
If I had a player not wanting to read, they will have to listen to me go over the general and then read the remaining information before they can make a character. If they still do not want to read, they do not play and can find the exit. There is no exception.