Why can everyone...see the exact same stars...

a) everyone implies each "different" one.

b) stars (plural) implies that one can discern between each "different" star (singular).

same direction around the same fixed central point

Same direction (inception towards death) around a different moving central sentence (life)...

• others suggest progressivism (point) to tempt one to ignore ones life sentence for suggested outcomes.
• others suggest definitionism (fixed) to tempt one to ignore being solid within momentum of fluid.
• others suggest identiarianism (same) to tempt one to ignore being different from one another.

looking in different directions

Different outlook (perception) within same direction (perceivable), hence not looking "in", but being "within"...