jon - hyperbolic figure of speech. But, Thiels do require care in setup. A consistent source of the brightness disparagement came from show-goers making judgements from standing in the doorway. Thiels baked-in design constraint requires sitting down for proper driver integration. Another aspect of driver integration is the 8' minimum listening distance requirement, which when subverted causes sonic problems.
Whether it was cable or amps, Jim chose to use very good ones, beyond a $-balanced norm.