So GIB concocted this monstrosity, obviously 2c needs to be 5+ usu 6+ rebiddable and limited to maybe 12/13 hcp?
My ancient PC GIB bids 2s both on this auction and after 1c-p-1nt-p, better than 2c obviously, but I think really shouldn't with strong doubletons, just bid 3nt immediately.