Joe Alt rakes in more than $33 million to protect Los Angeles Chargers quarterback Justin Herbert. Plus earns his massive salary to set the tone for head coach Jim Harbaugh. He’s the “tip of the spear” as the latter once described after drafting the Notre Dame star.One would believe that the tackle would purchase some lavish items with that kind of salary. Especially with the Chargers’ home base of El Segundo being surrounded by luxurious commod…