emviroment

So uh is it just me or is the attempt to make ur tank as similar to a Natural Emviroment not actually a big deal?
Like. As long as u meet tge needs of the fish i feel like they dont actually give a shit if their hidey space is a ~natural piece of driftwood vs like a fuckin fantasy ass castle like as long as it serves the purpose? It doesnt seem like a big deal correct?