Historically the answer has been "no". When a company pivots to doing something that becomes 90% of their revenue, there is no way to go back to doing whatever

Historically the answer has been "no". When a company pivots to doing something that becomes 90% of their revenue, there is no way to go back to doing whatever the 10% was. Imagine NOKIA going back to manufacturing gumboots, which is how that company started out!