Literally, probably yes. You decrease the freedom of movement, which likely decreases the unstructured thrashing that is often detrimental. Then, you may also leverage each others' buoyancy.
One of the things any lifesaving class will teach you is to always approach a drowning person from behind, because if they can get their hands on you they try to push you under.
It just came to mind as soon as I saw this headline. I read it as TWO COMPANIES WITH ABSOLUTELY DOOMED CURRENT BUSINESS MODELS JOIN FORCES TO ANSWER A QUESTION NO IS ASKING