There's a cap on poetics; this allows someone to gear up very quickly to a level where they can start Final Coil.
And this doesn't just help the "casuals"; what if there's a shake-up on a relatively hardcore team's roster and they need to gear up a replacement member right now? Or what if someone needs a new job geared ASAP?
It's always interesting how it's rarely ever the proper top-end folks who complain about this sort of thing... because most top-end raiders love catch-up mechanics for making the Roster Boss no longer A Thing.