How can Referendums lead to people making Informative Choices, but also Emotional ones, and more oversimplified?

-People can get Information and make Informed Calls nowadays. -But Voters may have emotions in the way, or use False Information instead which was seen in the 2016 Ref. Leave Campaigns claimed that leaving the EU would save £350 Million per week which could be used for the NHS [Ignores what UK got from EU, would all the money go to the NHS?] -Questions can’t be reduced to a simple Yes/No Question. 2016 may be an example, as it took Years to decide on how UK would even Leave the EU