"And to historians, his willingness to sustain staggering losses against
superior American firepower was a large reason the war dragged on as
long as it did, costing more than 2.5 million lives — 58,000 of them American". This is quite easily a quintessential American trait: despite rhetorical commitment to freedom, Americans are quite intolerant and contemptuous when another people--like the "inferior" Vietnamese--show a far greater appreciation and dedication to freedom. Americans bombed the hell out of the Vietnamese people (in the name of freedom, mind you) because the Vietnamese people were so stubbornly insistent on attaining their freedoms.