Just because an individual or a company is perceived as disagreeing with your personal beliefs doesn't make it 'bad'.
CF happily sells its delicious chicken to everyone irrespective of their sexual orientation.
Knowing which day you’re off lets you plan.
You may have 2 days off but your friends and family are likely working during the days and in "nothing too exciting" mode in the evenings.
The benefit of everyone having Sunday off means that (for the most part) the rest of the world also has Sunday off and you get to enjoy time off with your friends and family.
To imply something is 'tainted' by its religious inception is a kind of bigotry, moreover, it misses the point entirely: it's the very reason the company is ethical, or communitarian in many ways. Of course, even the very nation, or more broadly 'The West' is fundamentally Christian (or better described as mostly 'secular Christian'). Everyone has healthcare in Canada due to the 'Agrarian Left' which is essentially a brand of Christian Democracy. The same goes for the vast majority of Western institutions that were created more than a generation ago, including most Universities etc.. Consider that there might be more complexity concerning social issues in this world such that anyone with a voice mightn't be always playing favour specifically to you or your version of the 'morality'.
No.