You are right mate Dogecoin is to stay here to help many people to get living out of this market. If you count the number of exchanges where it is listed and being traded everyday then all doubts get cleared automatically. You can't relay on highly funded ICO's but on Dogecoin you can because of the people involved in this project.
Dogecoin has been used and traded in many aspects, many industries, and its appearance has not corrupted at any period of time over his long history.
Dogecoin is one of the oldest coins in the crypto ecosystem.