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 one of the oldest coins in crypto market.
It has been widely traded in many exchanges with lots of trading pairs.
It has been used in lots of industries, for instance gambling industry.
Dogecoin has very low transaction fees, fast transaction speeds and has likely not had serious congestion in its network over its long history.