Explanation req'd

Note: I have been drinking
  1. Why someone would think supposably is a word?
  2. Why in the intro to Mighty Mouse in the 80s had a rocket ship coming out of the Earth.
    Really messed with my head as a child.
  3. No problem
    Why is "you're welcome" translated into "no problem" in so many languages?
  4. Why the hell do "well made" pieces of clothing have 2 tags in different places?
    It seems to me that well made clothing would try to make your privileged life easier by putting all information in one spot.