You can draft well and still miss the point. The 49ers did plenty of tidy work and somehow never got around to offensive lineman, which was the need that mattered most. The bottom line is a respectable B-.
The Bell reach is the anchor dragging on the value grade. They went 1 of 8 on their needs, which is most of what a draft is for.
The skill positions did well by the weekend.
Solid rather than spectacular, and there is nothing wrong with that.