Excessive Bounce on right front Wheel

What he is hoping is there's air in the strut's hydraulic oil. That will indeed work it's way out, but that hasn't really been an issue since the mid '80s. I've replaced a lot of struts while working for a very nice family-owned Chrysler dealership for ten years, and never ran into this problem.

If you feel the car is unsafe to drive, take it to a tire and alignment shop for an inspection. Normally I recommend against this, but in this case, tell them what was done recently as well as the problem you're having. I normally suggest you only tell them the symptoms, not what was done, so you don't sway their diagnosis based on whether the previous mechanic is a friend or enemy, and whether they're trying to make the other shop look good or bad. They will pay special attention to the struts and the alignment, but some alignment problems that are checked by tire wear patterns will not have shown up yet. Bad tire wear can take a few thousand miles to show up.