Short answer is “propaganda”. News agencies against immigration will pretty regularly swap between “illegal immigrants”, “immigrants”, and <insert current target race here> as if they’re practically interchangable to build whatever narrative they want, and also to slowly build an association between ‘people of <insert race>’, ‘being a drain on society’, and ‘being here illegally’ to get the average person to side with them.

2 years to maybe do something, 4 years maybe to maybe do something better.