They were often seen as an <em>obstacle.</em>
They're not that similar to be honest. Yes in Mexico they say F<span>eliz Cumpleaños and In the United States they say Happy Birthday! so they're similar because they say the same thing but in a different language </span>
Answer & Explanation:
If you've ever had a career in the arts, or know someone who has, you are likely aware that saying the word “Macbeth” inside a theatre is strictly taboo unless one is rehearsing or in the midst of performing Shakespeare's dark tragedy.