There are other locally owned pubs in other towns that manage to charge the same, near, sometimes less than Wetherspoons (indeed Wetherspoons is one of the most expensive pubs in town)
Which pubs are you thinking of?
Mailcoach I think it's called on the high street. There is a big sign outside advertising their prices - pretty much the same as Wetherspoons.
B2R, you can't seriously compare the Mailcoach to a Wetherspoons establishment.
The Mailcoach is pretty run down and quite intimidating to walk into.
Tim Martin's company invest massive sums making the buildings they occupy into very beautiful and well managed hostelries.
They might not be to everyone's taste, but you cannot fault the decor or the business ethos.