It is simple greed and has nothing to do with congestion or any other technical problem.
What we are seeing is greed, plain and simple.
Or was it something else, simple greed perhaps?
Where the motives of adversaries were simple greed, envy, and jealousy.
It is not done out of simple greed as he'd first supposed.
Sometimes it's simple greed, but there's usually some kind of social force behind it.
What kind of mentality would do something like this with simple greed as their only motive.
Further, to chalk up the plot's happenings to simple greed is not enough.
The common denominator is a desire for money, either out of desperate need or simple greed.
The market is driven by greed, pure and simple!