What should have deterred bidders at the bulb auctions?

Bidders at the bulb auctions should have been deterred by the high prices and the uncertainty surrounding the bulb's future value, as market demand for such items can fluctuate significantly. Additionally, potential legal or ethical concerns regarding the sourcing and authenticity of the bulbs might have raised red flags. Lastly, the presence of experienced bidders could have signaled a competitive environment, making it less appealing for newcomers to participate.