There are five starting offensive linemen of 22 position players, about 23% of the starting football team.
In the last 30 drafts, in the first three rounds, the Bengals have had 107 draft picks.
These are the offensive linemen they chose with those picks (14 of 107, or 13% of the "high" draft picks):
There's a corollary, which is: Overvalue Linebackers? You're gonna have a bad time.
These are the linebackers selected by the the Bengals in those 107 draft picks (20 of 107, or 19%, the most often selected position by the Bengals in rounds 1 thru 3 - it's not even close -- in the last three decades):
David Pollack, Ricky Hunley, Emanuel King, Joe Kelly, James Francis, Alfred Williams, Takeo Spikes, Brian Simmons, Keith Rivers, Carl Zander, Odell Thurman, Rey Maualuga, Kevin Walker, Bernard Clark, Steve Shine, Steve Foley, Caleb Miller, Landon Johnson, Dontay Moch
Next highest prioritized position by the Bengals after Linebacker? Wide Receiver, with 14 selections (same as the number of picks devoted to the entire offensive line)