True.
It doesn't have to be just costs while you're AT a match, though.
If they are counting pies at the match, and also counting the Sky TV subscription, then it is only logical to also include the cost of your evening meal sat at home watching any televised games. And your heating. And a bit...
The comparison between clubs is obviously of interest, but I find the whole 'what does it cost to follow your team' suggestions a bit stupid, tbh.
To follow the Albion it COSTS me the ticket price and the travel costs. Nobody HAS to buy a shirt or programs, and if you were not at the football...