Not necessary accurate “on broken wing company” being a sole reason companies buy other firms. This is one reasons however others are synergies between the firms, desiring to get into a market, expand their capabilities, secure technology and staff are reasons firms by other firms.
CVS buying Aetna is an example. DXC purchased MMS at a premium for technology, knowing MMS beat them in recent procurements due to strategies, staff such as the leadership, and expanding footprint is another example.