Hello Bakeme,
Was in your shoes for years. This is just my opinion: The disconnect you describe definitely exists. I personally don't think it is field related. Meaning, most food service titles ( prep, cooks, chefs, etc.) have a respect for each other. I feel the disconnect is related to the actual functions of the job description and department.
Many will probably disagree. Let's just take the line as an example. In the business world, I would classify their job description as retailers or merchandisers. Now for the scratch pastry/baking department, I would classify those job descriptions as manufacturing and retailing. Similar to CPG's and Retailers.
One example might be a steak. The retailer takes the steak, prepares it to be served to the public. Crossover to the scratch bakery, let's replace the steak with a cake. The bakery retailer prepares the cake to be served to the public. But, the also have to manufacture the cake prior to that. The difference being, the steak arrives to the kitchen already manufactured to be prepared for retail. The bakery has to manufactured, then prepared for retail.
Suggestion! Never try to convey this notion to the kitchen. You'll be bombarded with examples of how the job descriptions are basically identical, preparing recipes, soups, stock,gravies, casseroles, etc.
I can tell you, most Chefs who have cross-training, may not agree, but will engage in discussion, and most times accept this notion.
I'll close with that. So as not have to address opposing opinions.
I don't believe there is any malice or ill will in the disconnect. You mentioned the post rush high-fives. You need to experience those also. If it's a solo effort, then turn the high-fives into pride. If you do your best, pride and satisfaction are pretty rewarding and respectable.
Try to eliminate assumption about anyone or any thing until you've walked in your shoes.
i recognize and respect ya! People around you do to, they just may not verbalize it.