It would be ridiculously hard if we tried to make our name avoid all the names of other algorithms or what ever else people will complain it is too similar to. It is pretty hard to confuse an entire coin for a PoW algorithm, and it's not nearly a good enough reason to change the name.
Actual confusion might be a good reason, and I've been asked about it by people who found the whole thing confusing, so I'm quite certain there is actual confusion.
That doesn't mean you have to change the name though, it's your coin, do what you want. I hold a few XCN, but they're a long term play for me and at this point I kind of doubt whether changing the name is likely to make much difference long term. Just my opinion though.