It looks like the alignment tech only did a toe alignment. The camber and caster mat not be adjustable on your vehicle, but wear and tear has thrown them slightly out of spec. To correct this may involve the replacement of very expensive parts, more than the vehicle is worth and certainly much more than the return on investment.
The bottom line is that the front tires will wear slightly more on the inside treads than the outside. I don’t see that it will reduce the life of the tire enough to offset the cost of repairs, especially if you rotate the tires periodically. I would have added a little more front toe in because of the age of the vehicle and expected wear on the bushings in the suspension. That would help offset the wear caused by the camber, but for now, the vehicle is perfectly fine for day to day use.