Aiptasia is normally considered a nuisence that most aquarists like to steer clear of, and if they have an unfortunate oppertunity to have one in the tank they hafta go through the headache of getting rid of it. But all of those reactions are caused by the same reason, aiptasia will kill any coral in it's path...and it's path is wide!!
It can multiply extremely fast and will kill any polyps or xenia that you want to keep.
It has never been considered, that I know of, that someone (such as yourself) like the way they look and does not want other corals. With that being said, if you are absolutly sure that you will never want corals in the tank or to live on the rocks then I cannot find a negative reason. But if you think you will ever want corals or anemones then just get yellow polyps, they look a lot alike...(That's totally my opinion and prolly not shared by many others.
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