The current coaching staff does not face any more restrictions than the previous regime.
Since independence, Bronco who had tougher overall schedules (except for 2011), produced superior results.
His schedules were also loaded:
2012
Washington State
Utah
BSU #24
Oregon State #10
Notre Dame #5
Georgia Tech
2013
UVA
Texas #15
Utah
Georgia Tech
BSU
Wisconsin #21
Notre Dame
UW
2014
Texas #25
UVA
BSU
Cal
2015
Nebraska
BSU #20
UCLA #10
Michigan
Missouri
Utah #20