Yeah, the only 1s still prospering are Jid, Trippie & Ski Mask. Granted, They have their niche audiences but it doesn't make sense how 3/9 acts on that issue are relevant today.
2017 was the worst due to having more people in that list that fell off: Ugly god, Madeintyo, Kyle, Aminé, PNB (RIP but he fell off before he died), Kap g & kaliyah the only people that properly stayed successful was X & Carti, but *maybe* you can make an argument for a boogie as for 2018, Ski mask, JID & Trippie redd are the only ones that are still relevant