But it is a replacement. One project don't need to be a pareto obtimum to claim to be replacement, it's ok even if there are some drawbacks. Having to pay is c

But it is a replacement. One project don't need to be a pareto obtimum to claim to be replacement, it's ok even if there are some drawbacks. Having to pay is clearly one drawback for some, but if you save this money by not having to develop some features or getting some support, then it may be worth it.