on a two finger shell fit your toes definately should not be "jammed". if you are used to a larger boot, yes, your toes will feel "jammed".
personally, a two finger fit is absolute largest i will ever go for an adult boot. kids boots are a completely different story thought. now, answer these questions for yourself:
- does this shop come recomended by friends? (not people on NS going by your story)
- does this shop appear to carry a lot of high end race product? (race skis but also armour, high end helmets, big name race clothing)
- do they offer an unconditional bootfit guarantee?
if you can answer "yes" to those three questions you have probably got a good shop. in this case you might just want to find someone else that works there. don't pick the kid that looks like a park skier.
if you answer "no" to 2+ of those, you're going to want to look elsewhere
hopefully that helps