To have an established way of doing things doesn't mean to outright ignore everything else immediately. You can reject an approach, but the key is HOW: if you

To have an established way of doing things doesn't mean to outright ignore everything else immediately. You can reject an approach, but the key is HOW: if you are rejecting an idea it needs to be the result of a serious dialog, comparing ideas side to side and being open to accept that the dominant approach can be replaced or improved. Now even if the idea is better, the gains need to be significant enough to compensate for the cost of changing the way of doing things and getting people on the same page.