Teach's crew still can awaken their fruits as another PU.
His old crewmembers some were already notorious (Lafitte), Shiryu was a pretty big deal being compared to Magellan (who nobody could fight against, that includes Croco, Jimbo and Ivankov), and lvl 6 prisoners hyped by their notoriety as major criminals (dont think they are on the same lvl as the nameless scrubs there).
Their narrative premise EASILY suggests that any of them are major threats. The issue is that they get fucked by characters like freaking GARP, SENGOKU and AOKIJI, then suddenly, due to agenda bias, the retards starting spouting that they are all "bums". Don't cry when Teach and maybe some of them get CoC when they fight the SHs.
Can't wait for all the shameless bandwagon jumping when they are the main antagonists of an arc and are more flashed out (especially Shiryu, since we all know which fanbase is the most shameless as far as trashing then hyping a character depending on matchups).