All in all, as Politico summarised it, the GOP "ran a 20th century campaign in the 21st century". And that ultimately cost them the election.

This would appear to be a pretty accurate assessment overall and one that is being danced around in the aftermath of the election by the GOP.

This OP is probably one of the hugest benefits of an international community. Perspectives of American politics from outside the US are always extraordinarily refreshing and tend to be above the fray.