Maybe one day ADA will become popular, but today it's only a speculative asset. They have a great prospects and very smart team, but they suffer from the lack of business acumen (in opposite of Justin Sun 
)
If they are smart, they would have come up with more developments and cardano would have grown beyond the stage it is.)Most times, it is not just about how smart the team is, they could be smart, but may not be active and may not bring up new and innovative ideas that will aid mass adoption.
The coin has good potential considering its use case, yet there should be updates for more relevance.