Individual players choose their classes. You don't want 'mint' you don't choose 'mint.' Try some pepper or garlic salt.
Or both, if the optional multi-seasoning rules are allowed.
If it's you and DM sure. The campaign is the pot though so everyone else gets mint regardless if they want it.
They did some very simple calculations.
Do we make more money including or excluding the warlord. The proof is the phb. They knew what people hated.