I feel bad for Beathard too. 14 hits he took, not to mention all the punishment he has already taken. But sadly him getting sacked and hit so often is somewhat predicated on his inability to get rid of the ball, or escape the pocket.
He has some mobility, but he is a rookie and the game is moving too fast for him. Look at how bad the Seahawks oline is yet Wilson masks like 80% of those problems by being supremely elusive or quick with the ball. Imagine how many sacks Seattle would give up if Matt Moore was the QB.
49ers oline deserves blame as well, but Garoppolo under center will eliviate some of those problems, as he has much better pocket awareness and mechanics.