It's extremely rare that any team in the NFL is devoid of talent.
Organizational issues are typically systemic problems starting with ownership down to coaching.
It's why Winston went 7-9 his last year in TB, to going 5-2 last season with the Saints under strong coaching.
All the players, front office management and ownership all recognized the impact Brady had on changing the culture and being the leader they needed.
Brady's leadership transformed that organization which allowed them to get HOF vets like Gronk and AB and got Fournette.
The Rams already had the culture and leadership from Mcvay. All they needed was a QB who could throw