“why the hechsherim were jeopardized by actions and decisions having nothing to do with the food or the cooking”
Community rabbis have the power to require more than the laws of kashrut being followed. And 100% of us would agree with this: Nobody would want an Orthodox rabbi to certify the food at a shomer Shabat strip club. The question is where to draw the line. Another consideration is the concern for existing businesses if a possibly competing business wants to set up shop in the same neighborhood. Batei dinim have ruled in favor of existing businesses being able to keep out competitors. Another possible consideration is making the food available to all; the local Vaad in my neighborhood requires Jewish grocers to accept food stamps if they want the hechsher.