It definitely is. Having the best product and being able to maintain that best-in-class product status over time through a firm's 'internal capabilities' is very much a moat and a strong one at that. A moat is the business strategy sense is anything that enables a firm to maintain competitive advantage. Having the best product in a category, and being able to maintain that over releases is a strong competitive advantage (especially when there is high willingness to pay or price is a strong competitive dimension compared to the value created).
It definitely is. Having the best product and being able to maintain that best-in-class product status over time through a firm's 'internal capabilities' is very much a moat and a strong one at that. A moat is the business strategy sense is anything that enables a firm to maintain competitive advantage. Having the best product in a category, and being able to maintain that over releases is a strong competitive advantage (especially when there is high willingness to pay or price is a strong competitive dimension compared to the value created).