Because they hate it
not usually
In many countries fireworks are not used at halloween; where they are it is to frighten away evil spirits.
In Russia on Laboour day people don`t light fireworks.
Halloween is an edited holiday. It used to be simmalar to day of the dead. People used to trick others in older day Halloween.
They dress up and go around to collect things from houses. They have Halloween parties. They play Halloween games. They have bonfires and fireworks.
Some people don't celebrate Halloween because they are Christian!
Halloween is the shortened version of All Hallow's Day's Evening, or "the night before All Hallow's Day."
Halloween Screams is a fireworks show during Halloween Time at Disneyland. It was produced by Walt Disney Creative Entertainment and held nightly in 2009.
People dress up. Children call to houses to collect things that people give them. There are fireworks and bonfires. There are parties. People play games.
Not necessarily. "Holiday" suggests a day when shops are closed and people enjoy a day off from work or school, but this does not happen on Valentine's Day or Halloween.
Generaly with 4th of July, the fireworks are post-poned to a later date. With Halloween, it normally is "on with the show" or outright cancled.
With bonfires, fireworks and children going around to collect things from houses. Halloween games can be played. There can also be Halloween parties, some of them being fancy dress parties.