If you have a significant social status, you must be able to represent yourself. This includes your status and is a certain commitment. Even if you don't always liked it. But it's just a bonton. And when the wedding, only with a luxurious wedding announcement. And not just with him. So somehow it is expected that everything will be luxurious and level.
The invitation to the table here is a necessity, but in this case it is probably necessary to print the signs with names. The meeting order is definitely suitable here. Moreover, the participation of a small number of guests is assumed.
Of course, entertainment is also important. Guests can have fun at the luxurious wedding. It is not necessary for it to become a snobhouse. Indeed, it is very likely that everyone will be very fond of remembering this wedding.