Originally Posted by StanSeven

Let me offer a different view. People post here all the time about mounting new tires and feeling a bump or wobble. Tires aren't perfect when made. The only way to see if you got good ones is test them out at high speeds.

The shop may have taken some liberties with adjusting your bike - barke pads should almost touch the rims; maybe the mechanic thought your bars slipped and adjusted them so the levers are perpendicular to the ground; not sure about the seat.

But if someone wanted to take a ride on your bike, they wouldn't go through all that trouble to make it feel good for them.