The best answer is Corporate Espionage. CEH reconnaissance coverage explains that footprinting can be used not only for technical attack preparation but also for competitive intelligence gathering against organizations.
In this scenario, a rival company appears to have derived meaningful strategic information about product design, pricing, and roadmap decisions from publicly available data and external disclosures before launch.
The resulting harm is not just accidental exposure in the abstract; it is the use of collected intelligence to gain a business advantage over the target organization. That makes corporate espionage the most accurate classification. Information leakage is certainly part of the pathway, because some information had to be exposed or inferable from public sources, but the threat asked for is the footprinting-related consequence represented by the competitor's behavior. Business loss describes an impact, not the threat category itself.
Social engineering would require manipulative interaction with people, which is not stated here. CEH materials note that careless public disclosures, metadata, career postings, partner information, and strategic announcements can all support footprinting by competitors or adversaries. When such data is systematically collected to mirror or undermine business strategy, the activity is best described as corporate espionage.