Give us the evidence for this "very interested" surveillance of Oswald. Or that he was an asset. Why would they be "very interested" in this oddball, this unemployable unstable person with no connections to anything?
At the peak of the Cold War, a US Marine who moved to Russia after working at the U2 spy plane base in Japan wouldn't be of interest to the US intelligence community? Come on.
We know the CIA opened counterintel files on Oswald in 1959. Do you think they lost interest in him when he moved back to the US?
It's obvious why they would be interested in him and at a minimum, justifies domestic surveillance when he returned to the US. Maybe part of the surveillance included domestic spies.
You're presenting Oswald as some sort of valuable commodity, as someone useful for the CIA.
A US Marine who spoke Russian in the 1950's would've been as valuable to US intelligence as Americans who spoke Arabic after the 9/11 attacks.
He's agitating for Castro for the FPCC in the South, in areas where there was almost no pro-Castro support. Why be interested in this nothing?
I challenge you to do some research on COINTELPRO.
In some cases, they used agent provocateurs to embarrass political organizations like the FPCC that were targeted by COINTELPRO. Maybe the intention of making sure the Press was aware of Oswald's activities in New Orleans was to embarrass the FPCC or make them look like "pro-Castro puppets."
It can't be ruled out.
You yourself argue that he wasn't a Marxist because he didn't associate with any Marxists, didn't attend any meetings, didn't have any relationship with Marxist or pro-Castro groups. So what's the benefit of using Oswald? For what? He's a loner, a nobody, an erratic unstable person that is worthless.
If Oswald was able to seek out and find anti-Castro Cubans (there weren't a lot of Cubans across the south in 1963 outside of Florida), he could seek out and find likeminded Marxists in Dallas or New Orleans.
Given that he didn't associate with likeminded people, I don't believe he was a communist or a die-hard Marxist. Not to mention the fact that he ridiculed the American Communist party on more than one occasion.