If you're relying on a safety to shut down the running game you've got bigger problems than just missed tackles.
Part of the reason we got gashed is because of this fraudulent interior d-line our crack defensive coordinator has assembled.
Yes, exactly, do people expect Adams to cover the entire field? He'd help, probably, but teams would just run one of their good receivers, or their best receiver in his area, and while he's "shutting down" that guy some other runner or receiver on the other side of the field would go crazy for 150 yards and 3 tds, or such.
One player isn't going to fix this team, don't care who he is. Give up 3 early picks, and what do you do if T. Smith retires? Or Frederick? Or Cooper wants too much money and leaves? Or Dak doesn't get better, or do the job? Going to find their replacements in the third round? It's possible, but I don't trust this staff to do that. Their 3rd round pick the last 5 years has only Gallup as a really good player, otherwise you have the famous Chaz Green, Anthony Hitchens (4th round but the third pick that year) Jourdain Lewis and Terrance Wiliams. Gallup may turn out very well, but none of the others are at the level of an Adams.
The ONLY hope this team has is to hit on more first rounders and DTs in the first round, but even that's faint hope, takes years to stockpile those guys and you lose other top player before the new guys all take the field and become top players...