The good news is that current coach Mike McCarthy has drawn the correct lessons from last Sunday's debacle.
“The tackling was just not there all year. We did not tackle well enough as a football team. It’s not acceptable,” McCarthy told reporters.The article notes that the current contract limits tackling drills in practice, which, to my mind, sounds like practicing calculus without doing any proofs.
Coach McCarthy plans to work the problem during the off-season.