Notice the use of the weasel word "implicitly." It allows liars and propagandists to simply read into Trump's actual words a racist intent where none was present before.
The intent here was not racist. When he promised "You'll get tired of winning," Trump was simply pandering to the very real grievances of the white working class -- not in this instance their racial resentments (it was his anti-immigration talk and "American carnage" talk that went to that), but their economic anxieties.
But, never mind what Trump couldn't do about that. What can be done about it now? How can we arrange things so a HS grad has the same (inflation-adjusted) earning opportunities as in the 1950s?