I'm on two departments. One is a very busy volunteer department and was at one point in the 80's the busiest single station FD in the United States (13k+). Now we don't usually hit 1000 runs a year. There is a lot of old school mentality there which is why we're not really used for mutual aid as much anymore (back in the 80's about 2500 runs were in our district and the other 11k or so were mutual aid). At this department, they don't want change, and I don't bother trying. I'm here to take care of patients to the best of my ability, build rapport and enjoy the company of the other guys, and then I go home.
At my other department, the Chief there is more progressive. He values my opinion on things (knowing I'm a medical student) and will ask. I offer suggestions as well, and if he doesn't take them, that's his prerogative. His shirt has "Chief" before his name, mine doesn't.
It's all in your own mentality. Am I happier at the second department? Yes, of course, but not by that much. I take more runs at the first department and get a lot of good experience. I just know that trying to change anything around there is futile and I'm ok with that. If you can live with just being a low level worker and enjoying yourself, then so be it. Live a happy life and run in good company. If you know you cannot be happy in such a situation, you'll have to go searching for a department that values your input, but that will be a lot tougher to come by.