This typically happens due to a number of reasons, from poor product / market fit, failure to understand customer needs (or fixing a non-existing problem), to a lack of internal capabilities.
Sometimes it lack of independent at unbiased research. Sometimes it has a poor quality and has a higher price which can't be sold in the market. When the inventor of the product failed to introduce his/her product because of low self-confidence... it may also lead to miss the audience's attention.
