"The Liberals introduced a lottery in 2017 in an effort to make the system fairer – previously, applications were accepted on a first-come, first-served basis."

"The Liberals introduced a lottery in 2017 in an effort to make the system fairer – previously, applications were accepted on a first-come, first-served basis." What's not fair about first-come, first-served? Why would a lottery be fairer than that?