Nice analysis, @m0minmd.
The biggest problem with the return of Will in the last episode was the way the director allowed him corporeal form, as evidenced in the hug. I have no problem of him sitting in the chair, or even his talking to Alicia, but once she could summon up her most intense longing for his company and have that longing walk him from the other side into her arms, well… That lost some credibility for me.