With both of those plays, the replay didn't show enough evidence to overturn the ruling on the field. IIRC, in both instances, the ref said the ruling on the field "stands", meaning they couldn't conclude otherwise; rather than "confirmed", meaning they conclusively proved the ruling on the field.
Either way, you'll find these discussions with every close game, so it doesn't really matter.
Either way, you'll find these discussions with every close game, so it doesn't really matter.