Not to mention cabin luggage allowances (as well as the likelihood they will be honored and you won't be checking your cabin luggage at the gate, or stowing you

Not to mention cabin luggage allowances (as well as the likelihood they will be honored and you won't be checking your cabin luggage at the gate, or stowing your bag in row 45 when you're in row 9). Even finding the (cabin/checked) luggage allowances on an airline's website can be a task for AI.