Your point is reasonable in many cases. But in this particular case, the charges would not have been substantially bigger than what this company paid before, an

Your point is reasonable in many cases. But in this particular case, the charges would not have been substantially bigger than what this company paid before, and an automated system ought to take that into account. If I’m a $10/month customer, kill my account early, and it’ll save me more often than not. If I’m a big spender, maybe wait a bit longer.