>I think the confusion of "no one should be persecuted for being part of group X" with "no one part of group X should be persecuted" is the root of far left ideology.

I think that no one should be persecuted[0]. Persecution is unfair harassment/injury/punishment. Perhaps you meant prosecuted[1] instead?

[0] from https://www.merriam-webster.com/dictionary/persecute

Persecute: transitive verb

1 : to harass or punish in a manner designed to injure, grieve, or afflict specifically : to cause to suffer because of belief

2 : to annoy with persistent or urgent approaches (such as attacks, pleas, or importunities) : pester

[1] from https://www.merriam-webster.com/dictionary/prosecute

Prosecute: transitive verb

3 : to bring legal action against for redress or punishment of a crime or violation of law b : to institute legal proceedings with reference to prosecute a claim

Denial of immigration isn't "persecution."

It is irrational however.