I think BOTH must be held liable. I’d share the blame 50/50. And if Microsoft should have checked the CS sw because msft signed it (I’m not clear on if that hap

I think BOTH must be held liable. I’d share the blame 50/50. And if Microsoft should have checked the CS sw because msft signed it (I’m not clear on if that happened), then I’d generously make msft also 10-15% responsible.