No.
There are basses I find ugly like the Vox with big slots in it and silly feet, or just unattractive, like the Warwick 'dildo', the G&L wart, Alembic's more ornate models and white Bongos and Rickenbackers just looking clumsy.
But I'd never discount a bass for association with an individual*.
*OK, I'll make an exception for Gene Simmons...