In the Premier League, sure I agree, most aren't good enough, but the vast majority of them are good for what we need this season in a weaker league. Will Still has confirmed he agrees in recent interviews.
With Quarshie and Downs added, we won't need many more to have a good go for automatic promotion. It then comes down to replacing any major players if they leave. Specifically Fernandes, Dibling and Ramsdale.