The trans topic is a wedge issue that has absolutely no impact on 99% of people. Many of the things people like to bring up when complaining about "a shift to the left" are fringe ideas even on the left, and are amplified by right-wingers who are trying to paint the left as out of touch with reality.
Having said that, age-appropriate sex ed in elementary school (e.g. talking about bodily autonomy and consent) is actually a good idea, since children at that age are often victims of sexual abuse and don't understand exactly what is happening to them.
And if you genuinely get bent out of shape about tampons in mens bathrooms, I'm really happy for you. Your life must be genuinely amazing that something so meaningless even warrants being mentioned as a point of contention. Personally, as somebody who sometimes purchases tampons for his wife, it seems at best marginally useful, and at worst completely irrelevant to me.
The economy topic is hardly a left-wing issue. People on the right cheered for Luigi just as much as people on the left, because they're suffering just as much, or more. What is happening here is not the left moving to the left, it's poor people being disenfranchised and reacting to it. This is also a major reason why Trump got elected: people have so little trust in the current system that they'd rather vote for somebody who promises to break it, than for somebody who promises to improve it.
I'm not sure what exactly you mean by "communists/socialists", since those two words have been stripped of all meaning in the US.
"It wasn't a policy shift, it's attempting to save face"
You're just using different words, but you're saying the same thing I did: it's a shift to the right. It's also dumb and counterproductive, because immigration is not the source of people's problems, and curtailing immigration in the way it is currently being done will only make things worse, but that is besides the point.