I'm not a fan of SMC3's character design. And the first time I watched Act.27, I thought it was very OK, especially the transformation and the speech. However, the moment I saw SME trailer, I knew something was off. My friends and I had the same opinion.
In 90's anime, the transformation scenes in the last 2 seasons are somewhat boring and stiff, compared with previous ones, and those two are the ones they shouldn't have copied. They were very successful with SMC3's transformation. And we couldn't think they would trace it, on a much inferior level.
If they gave us something new, we would skip the sloppy frames. But they even didn't do well at tracing...
There's no reason for waiting a new transformation for Inner and Outers.
If it's like this, I won't be surprised if they trace Eternal transformation and Therapy Kiss attack.