With a slide rule the management & retail are fully aware of income from each & every flight..
I hope it’s a little more sophisticated than 30cm plastic!
Only a minority of Gatwick’s business would be “prestige”, HKG maybe, but the rest is mainly leisure and skewed towards point to point. Prestige doesn’t always help the bottom line, BA used to be a “prestige” carrier at LGW and never made a penny in that business model.