Not being able to go back to the Phase 1 or 2 Izaro room

Is there ANY good reason to not enable people to go back to a previous Izaro phase (but cleaned out, just like you can go back to Izaro 3 from Treasure)

I just dropped an amulet in Izaro Phase 2 room... there's no way I can get that back. I've also had things drop after I clicked next room from Golems... Why??

/rant