It's a slump, not being 'exposed.' Does the kid need to get better under heavy pressure? Yes. Would more than 3-5 other QBs have fared better under that kind of pressure the past two weeks? Doubtful.
Took me two minutes to find similar multi-game slumps for Brady (late 2002), Manning (2001) and Montana (late 1982). Progress is not linear.
Goff works tremendously hard. He has a great offensive mind in his corner. He largely has needed to learn a big lesson NFL QBs need to learn which is sometimes you just take what defenses give you. No one can cover everything, so throw where they ain't... Brady has made his career on that.
I have full confidence in Goff.