Polycarp is correct, and it offers just one context in which one might object the the pledge. (thank you, Poly)
For JWs, allegiance is to God and God alone. That said, the Apostle Paul wrote clearly and powerfully that Christians were to be lawful, respectful citizens. In practical terms that means paying your taxes, and following the laws of one’s country, both large and small.
Only when a law conflicts with God’s law (as articulated in the bible) is a citizen to refuse; and only then quietly and respectfully.
The consequence of all of this is that it is entirely possible to live a life that is lawful and peaceful, and yet reject the notion that one should “pledge” to any set of ideals.
IOW, in this particular context, a person may rightfully agree to follow all the laws, yet refuse “devotion” to any of them. And let’s be clear about what “meaning” many people attach to the pledge. (the pledge are just words, right?, and have no inherent meaning) For many people the pledge means more than being lawful, -----and to quote the OP-------and one might offer up “one’s life blood” (figuratively or literally) towards these ideals/nation. (which may manifest itself in various forms of Patriotism, or taking up arms in the military to advance these ideals) For example, one might object the notion I may be required to kill you, to protect my/our freedom.
To come full circle, however, I think the pledge that Skald and Big T advance is perfectly logical and reasonable, and I can understand how anyone would embrace those ideals.
Yet the paradox of [this type of] freedom is that I am free enough that I am not compelled to pledge allegiance to it. And…the SCOTUS has held that the Pledge is fine, as long as it is not compelled.
So while words have no inherent meaning, they have tremendous meaning to people. So rather than “pretending” as one might, or be asked to attach a narrow meaning to the pledge (while fully aware that for many/most the meaning is much more expansive) it is better to recognize that our freedom------paradoxically------ gives me the freedom to refuse allegiance to those ideals.
ETA: This is not about religion as much as it is about Freedom. I offer just one context in which one might object to the pledge, and yet live a lawful existence. These freedoms do not require vetting however, and someone may object for a variety of reasons-----or no reason.
In any event, the Pledge is fine and reasonable for anyone that chooses to embrace it, and paradoxically only becomes contradictory to the ideals of freedom when it is required.