NO, not necessarily. The OP needs to speak to BCC to see if always included is in fact included. BCC upgrades can be cruise only OR Always included. What the OP will 100% get is access to all the Retreat amenities. But the Classic drinks package, Wifi, and tips aren't part of the standard amenities. If I was the OP I would call BCC and verify.
I've done multiple BCC cruises, some with always included, but most BCC Retreat upgrades are CRUISE ONLY.