Yes I'm fairly ignorant of that country. I've heard they've never had a left-wing party with mass support though.
To build a left-wing party with mass support will require people with diverse opinions on many things to work together and keep focused on the base (i.e. the means of production)
The Americans have a garbage left for a lot of reasons, but a lot of it is self-inflicted.
Their refusal to build consensus and instead doing the holier-than-thou internet-argument thing is obviously not the way to gather tens of millions or hundreds of millions together and take power.
Feeling purer than someone on the internet gives a short-term ego-boost, but it isn't the way to build a political movement among hundreds of millions of people with diverse opinions.
all they want is to solicit something from me via deception.
What is it trying to deceive you about and solicit from you?
will that help a mass-scale leftist movement form and avoid splits?
The American left wrecked itself by dividing itself by intensivepurity-testing and racialism.
movement-building ≠ meeting in the middle
https://www.marxists.org/reference/archive/mao/selected-works/volume-5/mswv5_58.htm
Critiquing to build or critiquing to tear down?
Applying the concept of 'boycott' to gratis and libre software with no profit makes zero sense.
Can you explain how this line of argumentation gets socialism any closer to seizing power? I am willing to listen.