~snip~
People are using bitcoins becuase they are happy to make or money with the bitcoin or other things with the bitcoin and i dont know why they
are just holding them butthere must be a reason for.
I can't understand what are you talking about all I know is your reply is not related to the OP's post and to the post you quoted.
People use different bitcoin wallet simply because of security purposes.
Another reason is to try to obfuscate your activity online, for example if someone knows that an address belongs to you then that person can track where did you spend your coins, by having different wallets you can hide some of your shopping activities online to people that know you.