I dont think its a need to use bitcoin ...its just our wish to use it or not...we all love bitcoin because of its unique features that is why we all use bitcoins..i personally use it as a normal money and also to gamble a bit
in my opinion people actually really need to use bitcoins in my opinion because of all the benefits it gives and stuff like that as i think it does not have any drawbacks
actually i use bitcoins in order to have control over my money so i dont actually need to rely on any banks or something like that, if i have bitcoins i have no problems it seems