You heard the numbers he said in the vid.
This is what just "speaking to the base" brings you.
To win in a state, especially a deep red one like Louisiana, NOT ONLY do you have to galvanize your base, but you have to gain votes from moderate/independents and also convince some on the other side of you politically that you're the right person for the job. You do so by speaking to them directly where they are. Do you think they're tuning into The Breakfast Club? No, you have to go to those small little towns and speak in the high schools and VFWs and churches and attempt to find your in.
I've spent time in that state. The "base" that he's speaking to will cheer, twerk and hold cookouts for your campaign.....will do it all except one thing: VOTE
Learn more about how this politics thing work instead of letting the emotion of who doesn't like you guide your logic.
This is how Trump won because Hillary didn't even try to speak to those types in battleground states that she ignored. Even Obama tried to warn her. I had a close friend who worked for the Clinton campaign and begged, begged, begged the campaign to go to those states and they ignored her. She took a leave of absence from a quarter mil job to work for the campaign. You mention the first syllable of the word Clinton and you might get a chair thrown at you.
Just look at the number of voters who voted for Obama, some twice, that voted for Trump.