I'm surprised that so few Basecamp users would recommend it. 94% is not a good number, you have to take into account survivorship bias. The people who would not

I'm surprised that so few Basecamp users would recommend it. 94% is not a good number, you have to take into account survivorship bias. The people who would not recommend your service have already stopped being your customers. 94% says that your churn rate is 6%.