I'm just astonished at the amount of nonblacks saying blaccents are not a thing. You prove your stupidity and ignorance by glossing over the fact that blaccents are developed/rooted from AAVE, African American Vernacular English aka Black English. Guzman frequently uses AAVE in and out of his speech and it has nothing to do with being from Texas, you can have a southern accent and phrasing without using AAVE.
KEY EXAMPLE: AWKWAFINA, notice her blaccent dropped hard when she stopped "rapping" and started landing serious acting opportunities.
another example:
https://twitter.com/i/status/1237945307003940866