Is Tech Making artificial jellyfish Better or Worse?

https://www.evernote.com/shard/s557/sh/b4bfd914-2530-4428-ad7b-97bd45e337c2/17994da50a18b010e6ce6d0b3f48ad90

The jellyfish comes with a suction cup you can use to attach it too the bottom. From a distance the jellyfish almost looks real! It's a very pretty tank decoration and my betta loves it.