In this case, pretty sure that "polling errors" refers not to "polls' conducted by orgs to gage the political landscape, but rather to "collection/recording of votes". He's asserting that there were errors in the vote process that allowed DJT to win.
In this case, pretty sure that "polling errors" refers not to "polls' conducted by orgs to gage the political landscape, but rather to "collection/recording of votes". He's asserting that there were errors in the vote process that allowed DJT to win.