“They’re good, decent, honorable people,” Biden said, referring to the Puerto Rican community. “
The only garbage I see floating out there is his supporters. His demonization of Latinos is unconscionable, and it’s un-American. It’s totally contrary to everything we’ve done.”
In this context he is speaking about the words that people are saying not referring to people as garbage.
People are garbage
People speaking garage
the only thing floating is referring to what people are saying about Puerto ricans.
His reference is about the comments that people are floating
which is a common way to use such a statement.
Politics is assuming what it means for political gain
floating population The
city has a
large floating
population (=
people who
move around a lot).
floating interest rate The
bank has
offered us a
loan with a floating
interest rate.
MEDICAL specialized
used to refer to a
part of the
body that is out of
its usual position, or not
connected to another
part of the
body:
a floating
rib
Thus his comments is people are floating stories or speaking lies.