They are anemones being kept long term Thats for sure
With all due respect, keeping an animal that lives for hundreds of years alive for 3, 4, or the isolated cases of ten years+ is hardly "long term". That would be the equivalent of raising a child to 2 years old.
Interesting point brought up by tkos. What will you do with your anemone if you are truly successful? I have never considered it with my BTA, ignorantly because I don't realistically expect it to last that long. But, I am satisfied with the fact that it is captive bred specimen that could nearly be self-sustaining, and I have the potential to give back potential clones to other aquarists.