IMHO The real meaning of the question "Does the market support a $10Bn company?"
If an idea is very niche like "Maserati custom accessories sold online" then that isn't likely to grow to $10Bn+ company or have any major impact.
If an idea is very niche like "Maserati custom accessories sold online" then that isn't likely to grow to $10Bn+ company or have any major impact.