This is true, but I wish to clarify- many times we were seated well past our ADR time slot, despite showing up at least 15min early WITH the entire group.
The problem isn't being on their radar, it is that they have an odd system. During one particularly egregious situation, we CLEARLY saw at least TWO other groups about the same size as us- were SEATED AHEAD of us, despite arriving AFTER us. We were told that each party is assigned to a specific table, and that you are only seated when THAT table is vacated.
To make matters worse, when we finally complained emphatically, the manager said she'd OVER RIDE the system, but we had to cram our party of 12 into a table meant for 10. She made a BIG deal about how she was making some big exception for us.
Now get this- in that case, our ADR was supposed to be about 7pm. We were seated PAST 8pm, and we were SURROUNDED with EMPTY 10 and 12 seat tables! It was reminiscent of a Monty Python sketch!
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I've been seated 30+minutes late at: BOG, Boma, Tusker House, P Time Café, Mama Melrose (also very slow to get food), Coral Reef, Le Cellier (admittedly, a while ago. It was SO bad, we've avoided it), Via Napoli, Tokyo Dining, La Hacienda de San Angel (very slow with a group), Liberty TT, C Palace, 1900PF, GF Café, Boatwright's, Bongo's, House of Blues, and 'Ohana. Plus a number of places that no longer exist, like Kat Cora's TS at the Boardwalk.