Single word preferable in business circle to replace
for the sake of it
again preferably which is commonly used so that every one (in the business circle) knows the meaning.
Explanation: It is seeming now that this business development department is established (opened) for the sake of it. It does not have the resources to actually run a show neither it has been given any significance in the company's work protocols. It just meddles with actual operations by bringing some sham business opportunities instead of a real projects which may actually realize in future and it actually wastes everyone's time and money diverting as the resources towards working on these pretentious assignments.
Usage: The ______ (for the sake of it) business development department has become a lame cost center just slurping company's funds without giving any real output.