Explanation seemed reasonable. Nobody got time to be trying to pick this shit apart. Congrats to them.
Dawg, I'm from the south. If I did a mental deep dive and tried to figure out whatever non-black person ACTUALLY meant when they said some shit that could be misconstrued...or just construed...as racist, I wouldn't have time to do shit else. Listen to the comment, listen to the explanation, consider the person's character and previous behavior, make a determination....and then (and this is the most important part)...move on, until they give you reason to reconsider.
Just my $00.02