Anything that provides relief for the trains and P&R has got to be a good thing at the moment, so if parking & walking from Coldean helps allieviate those numbers (particularly in the evenings) then providing everyone is parked sensibly and LEGALLY then this should be positively encouraged...
What you're getting here is some grizzles from a few heffalumps who drive 20 minutes to work, then arrive back of a matchday evening to suddenly discover a car parked in "their space" outside their house, meaning a 100 yard trek back to their front door once they'e found somewhere else to park...