I was only suggesting it for someone who was planning on a very early arrival.
Generally, it feels like the previous parking secrets are quite widely known now. I often parked at Wild Park - similarly easy and free - but the arrival time required to get a space was getting earlier and earlier...
I'm going to buck the trend above, possibly.
If you drive into central Brighton, you've got parking to contend with (finding it and paying for it) and, additionally, it may take you longer to get back to Brighton and your car after the game than you'd like due to the post-game queue at Falmer...