Whom you booked through has absolutely nothing to do with whether or not you get those cute little keepsake luggage tags.
It has everything to do with whether you booked a package or did a room-only reservation. Those keepsake luggage tags are only for people who booked packages, regardless of whether they used a
travel agent or booked directly through the Walt Disney Travel Company. There are no tangible perks to booking directly through WDTC as opposed to using a travel agent.
People who book a room-only reservation do not receive those keepsake luggage tags, even if they booked directly through WDTC.
I hope this helps clear that up.