Nobody publishes the stories about the genuine needy who do get in by following the proper process. It is quite high in the USA people seem to ignore this
This simply isnt true and shows how uninformed and out of touch you are with this type of stuff affecting people in the US.
The problem is the conservatives are directing traffic and Trumps administration ignores the legitmate information and "stories" and likes to make it up claiming they are all illegal, murderers, rapists, gang members etc...
It's why they are going after legitimate visa like the lottery which in its very design was to help the needy you mention. Anything to stop "undesirables" from countries they do not approve off.
Local news agencies and groups always tell good natured stuff about immigrants to this land. Especially in the regions on the border.
Big news agencies from time to time do "specials" on the subject.