No it sure isn't :(

Strange to me they drug you along to that, I didn't think they were the protesting type

But they could've had any number of reasons for being there

It could have been both

A coffin as a table as the on-the-surface meaning while hinting at
what goes on in the tomb

Secret societies in general seem to love their dual meanings and symbolism, not that I'm any different myself in that regard :)