Investors nowadays probably prefer to invest platform with real product IMO because at least they can have the confidence that what they are investing has the potential to grow in the near future.
Yes, it is better to invest those kind of platform, although we cannot guarantee the assurance that the project has a potential to growth in the future atleast the chance are quite huge. We have to be optimistic in dealing with cryptocurrencies because we know how this work runs, it is better to be very careful and certain.
Correct, it is good to invest in this kind of platform, because it is useful and interesting project. Eventhough there is no assurance that it will succeed but still it has potential to be at high level. What best to do for now is always be positive and give your 100% trust and support to the team or project because it will really help to make them do their best.