Bro definitely had a trap drug influenced phase a while back when he blew up so most people over look his lyrics. Lately he seem more mature and conscious
Black nailpolish is from new age rappers trying to be rockstars or rockstar image and rappers at the same time. Male rockstars or people of that community have worn black polish for years. I agree, it doesn't belong in the rap game if you are out here rapping about street sh*t or trying to be tough. But, if your music is crossover and you do have a following or association with the rock community, it's not considered a feminine thing there. To each it's own just depends on your lane.