Missing the trees for the forest, here.
"UNalienable", (that which is not subject to the rules or manipulations of humans), was the word the Founders used. not "in"alienable.
There are two edits in the line.
“inalienable” - no one can take them from you.
“unalienable” - they are so inherent that you can’t even give them away if you wanted to.