[2ndDivisionVet]

Oh, pro-homosexual agenda (including so-called “gay marriage”), pro-amnesty & sanctuary cities, pro-gun confiscation & banning, pro-abortion-on-demand, and anti-Federalism aren’t leftist now? Who knew?!

[counterpunch]

Oh, pro-homosexual agenda (including so-called “gay marriage”), pro-amnesty & sanctuary cities

Liberalism

pro-gun confiscation & banning

Authoritarianism

pro-abortion-on-demand

Liberalism

and anti-Federalism

Authoritarianism

aren’t leftist now? Who knew?!

Not particularly. Leftism=marxism/socialism.
It has more to do with centrally planned economies, wealth redistribution, state controlled industry, ban of private ownership, etc.