Geez are you really comparing polls taken 10 months apart?
Seriously?
The ethnic voting numbers from 2018 look exactly like the ethnic numbers Ronald Reagan got in his 1984 landslide reelection.
And, they look exactly like the ethnic numbers that Trump got in the 2016 election.
I have a better question....
In the last 9 presidential elections, when have the ethnic voting numbers NOT looked like the numbers I just posted from 2018?
Answer: Never
If you don’t think that is something to worry about, then I have no idea what else to say to you.