Why might a company continue to support one of its products in a harvest- or divest-share portfolio

Question:

Why might a company continue to support one of its products in a harvest- or divest-share position rather than harvesting or divesting it?
Portfolio
A portfolio is a grouping of financial assets such as stocks, bonds, commodities, currencies and cash equivalents, as well as their fund counterparts, including mutual, exchange-traded and closed funds. A portfolio can also consist of non-publicly...