> Is it really that hard to allow only legal immigration and stop giving incentives to illegal immigrants?
Suggesting they abandon a core part of their platform is a non-starter. At least in the US, the left isn't silent or neutral on illegal immigration, they are enthusiastically pro illegal immigration. One of the biggest reasons centrists have drifted to supporting the right is realizing the left no longer supports their values.
The people on the left who are "enthusiastically pro illegal immigration" are a tiny minority of all leftists. The majority does think that illegal immigrants shouldn't be mistreated deliberately, which conservative media outlets condense into "enthusiastically pro illegal immigration".
Suggesting they abandon a core part of their platform is a non-starter. At least in the US, the left isn't silent or neutral on illegal immigration, they are enthusiastically pro illegal immigration. One of the biggest reasons centrists have drifted to supporting the right is realizing the left no longer supports their values.