If a coin has no volume, it means it's not wanted by people.
And if it's not wanted by people, that means it has no real use, and no "hype" around it,
Having said that, if you believe in a project, a situation like this could be a good buying opportunity
No, a coin with no volume equals no one interested in buying these coins at a low price. A good project will never let their trading volume down. They must have the initiative to create new hype. Otherwise, the project is a trash project.
As long as they do their job well and make products on schedule, I believe their project will always receive interest from investors and the project will always have liquidity. In the exchanges in this market, and if they want the fomo price they can create many different contests