When the lounge had shut and there was no onboard service I sent in a receipt for 13€ from a CDG airport shop for water, soft drink and sandwich. AF refused to reimburse these 13€ citing that the ticket does not entitle me to any catering.
When LH didn’t have catering due to the caterer striking, some passengers went to court and got 25% of their Business class fare or something as it was argued that catering is an important part of the fare premium paid in Business