This is always the key. For any school.
At the time Meyer left Florida, it looked like a "better job" than Alabama (more recent success). Carroll left USC in great shape. The list goes on. Outside of the rare fluke (Cheesedick getting Newton who never should have been eligible), it's always been about a capable school having the right coach at the right time. Dabo at Clemson. Carroll at USC. The list goes on.
There is nothing appreciable or substantial that makes Bama a top 5 job other than history, which is mostly limited to 2 coaches (Bryant and Saban).
Those two coaches coached for 42 combined years at Alabama. The Bryant and Saban Eras were defintiely both ELITE.
However, Alabama also has three other Hall of Fame Coaches who had Undefeated, Untied Bowl Championship Seasons (Wallace Wade, Frank Thomas and Gene Stallings being the other three) during the past 99 seasons. The combined Wade-Thomas-Stallings Eras are better than most programs (perhaps Top 20 or so).
Since Alabama had their first Undefeated, Untied Bowl Championship Team in 1925 (10-0 Rose Bowl Champions), the longest they have gone between Undefeated, Untied, Bowl Championship teams was 17 years (between 1992 and 2009):
1925: 10-0 Rose Bowl Champions under Wallace Wade
1930: 10-0 Rose Bowl Champions under Wallace Wade
1934: 10-0 Rose Bowl Champions under Frank Thomas
1945: 10-0 Rose Bowl Champions under Frank Thomas-*
1961: 11-0 Sugar Bowl Champions under Paul Bryant
1966: 11-0 Sugar Bowl Champions under Paul Bryant-*
1979: 12-0 Sugar Bowl Champions under Paul Brtant
1992: 13-0 Sugar Bowl Champions under Gene Stallings
2009: 14-0 BCS Champions @ Pasadena under Saban
2020: 13-0 Rose Bowl and CFB Playoff Championship @ Miami Gardens under Saban
So, in the past 99 seasons, they have had at least one Undefeated, Untied Bowl Championship season in 7 different decades with 5 different Head Coaches.
Time will tell how Alabama fairs in the post Saban Era, but I hardly believe they will fall completely off the map like Nebraska has.
*-Did not win National Championship that season, but that is not the metric I am using.