Even if I use a unique strong password, if the chat service stores it in plain text, a hacker can get the pass from the database and login with my identity and

Even if I use a unique strong password, if the chat service stores it in plain text, a hacker can get the pass from the database and login with my identity and cause who know how many problems, having a strong password and unique did not helps me if the service stores it in plain text or some bad hash.