I agree completely with Gertrude the Wombat.
Six grand is a lot of money. It's also two years' depreciation on a Ford Focus. Puts it in context really, because few people would consider you rich because you can buy a new Ford.
To continue to fly after you have a PPL you're looking at a minimum of a thousand a year after that. That will buy you the minimum hours to keep your licence in a shagged-out club C150, or a more reasonable amount in a PFA aeroplane flying out of a farmstrip - if that's your sort of thing (I like it, but it isn't for everybody so it isn't the solution to the cost of flying that some would have you believe). Flying a more reasonable number of hours a year from a flying club will cost two, three or four thousand a year - so after a few years the cost of the PPL isn't that significant compared to your total spend.
Like the PPL, continuing to fly isn't unaffordable - but for most of us it puts some limits on other things we might like to spend money on. It's just a matter of deciding what your priorities are.