sssh

Note it could be a commercial reason (e.g. unacceptable term in booking contract, unfavourable prices, negotiation tactic)

Or something as silly as Starwood offending a senior executive. (e.g. walking a team of C-levels from a overbooked hotel)

I've heard multimillion dollar vendors/partners shafted at large corporations for less... (e.g. Firm refuses to let the CEO return a product, CEO pulls corporate account (noting a lack of faith in the firm's customer service))