The priests were accepting sacrifices of blind, crippled, and diseased animals to place on God's altar. They didn't see that they were going through their priestly motions instead of worshipping God with all of their heart. They were self-deceived and did not see their sin until confronted with God's just anger.
0.5
0.75
1.0
1.25
1.5
1.75
2.0
2.25
2.5