Although the ADA ecosystem has not developed much, it is not necessarily a bad thing; this has two sides:

Benefits: Building an ecosystem requires a large amount of token dilution, such as APT and OP, directly using tokens for airdrops to construct a decentralized ecosystem;

In the early days, there were a large number of token holders in Japan and the United States. Due to compliance requirements, many licensed exchanges in Japan only have a few coins like BTC, ETH, ADA, XRP, etc.

Overview of the popularity of Cardano (ADA) in the United States and Japan

https://chainalert.me/view/research/a97867