Good for her
Have to hand it to her for her marketing skills.
Loyalty cards only work for repeat custom(ers), i.e. those who live in the punting "comfort zone" and are happy to see their regular WGs will get the benefit of visitng them frequently.
Some punters on here prefer to be one-punt wonders, and will only visit a WG
ONCE, even if they really enjoyed her services.
For them, variety is the spice of their punting life.