I know a bit about it. From what I understand there are a few people here who walk in the way of the goddess so I do hope that my thoughts do not offend.
I find it difficult to accept something which has been, as someone else put it, 'made up'. I understand that wicca and wicca related practices have been around for thousands of years. However, there is no actual lineage from the ancients to the modern subscribers. There is no textual transmission, there is no line of direct communication through the ages.
I would love to have a go at a re-enactment of Greek rituals for the purposes of research, but I know that a re-enactment is all that is possible. We could go through the exact rituals, say exactly the same words etc, but that doesn't mean that it is a Greek ritual. It can only ever be re-enactment, and in the case of Greek ritual - we have a lot of ancient sources upon which such a re-creation could be based. With Wicca we simply do not.
In the end, it has to be a question of each to their own, as long as the 'each' of the 'own' is respectful and considerate of others.