This may be true many of times and maybe the op should have just said a better coach period, because by any objective data Heath doesn't measure up to Weber even when you remove the 5 Illinois seasons where he had a Self recruit on his roster!
"Better Xs and Os coach" usually means "I prefer Coach A's system/coaching". JMHO
Objective data (career averages in efficiency and 4 factors)
Pace OPPP eFG% TO% OR% FTR DPPP eFG% TO% OR% FTR
Haith 65.8 1.14 50.8 19.0 36.8 35.2 0.97 48.4 19.8 32.2 34.1
oscar 65.2 1.11 51.2 19.0 34.7 30.7 0.91 46.7 21.1 31.0 34.2