Considering that every new citizen ~must~ take that oath, -- I'd say yes, you should think long and hard on just why it doesn't feel right to you for some reason.
And consider that our oaths of office, or of military service, say essentially the same things. 50/60 years ago draftees were forced to take that oath, and most all did so proudly.
You may force someone to publicly affirm something because they are fearful of your power to do them injury .That does not mean they will believe in it.
Didn't the young United States fight the War of 1812 because the King of England's officers were forcing Americans into involuntary naval service?