Reply To: Didn't have time to ferment the dough

Rav Ben-Zion Wosner wrote about that. He showed from many angles how this is the case.

Matzoh is about Yetzias Mitzraim, not the Avdus. There is the Pshat on Di Achalu Avhasana which the Abudarham quotes that they give this to Avadim.