I dont think anything is bad about their idea, they are just simply following the trend too, many of their users are already exposed to the blockchain and they have seen how its establishment has made it easy for most of their user when it comes to transaction with other companies, also, if they dont do it, it will not be long before a guru come up with that idea that may see that a lot of migrate from platform.
Moreover, they also need it too to be able to solve the challenges of many of their users who are also finding it hard to make payment for the use of their platform because of some policies guarding the financial institution in the users country and also away to probably avoid taxes, with the technology, government will not be able to monitor their funds.