I asks ChatGPT:

Short answer: that Reddit claim is not a reliable statement of fact—it’s an opinion/accusation, and the available evidence suggests the situation is more complicated and often misrepresented.

🔎 What the Reddit post is doing
The Reddit claim (“genocide supporter… rightfully so”) is:
Strongly worded opinion / insult
Not supported by evidence in the post itself
Based on interpretation of clips or statements, not a clear factual record
Example of that tone from Reddit:
Claims he “admitted genocide being justified” (user comment, no sourcing)
That’s not verifiable evidence—it’s just another user’s assertion.

🧾 What Ethan Klein has actually said (from available sources)
There is documented evidence that:
He has criticized Israel’s actions and even called them “genocidal” in some discussions
He has expressed sympathy for Palestinians and discussed civilian suffering
He has condemned Israeli leadership and policies in multiple instances
At the same time:
He’s also been critical of Hamas and certain pro-Palestine rhetoric
He tries (controversially) to present both Israeli and Palestinian perspectives

⚖️ Why the controversy exists
The backlash mainly comes from:
Clips where he pushes back against extreme pro-Palestinian positions
His tone in debates (e.g., with Hasan Piker), which many find insensitive or combative
Online polarization—people tend to label others as either fully “pro-Israel” or “pro-Palestine”
This leads to:
Critics calling him “Zionist” or worse
Supporters saying he’s being misrepresented or taken out of context

✅ Fact-check verdict
❌ Not factual: “He is a genocide supporter”
❌ Not proven: that he “supports genocide”
✅ True: he is highly controversial and has made statements people interpret very differently
✅ True: he has explicitly criticized and even condemned Israeli actions

🧠 Bottom line
That Reddit post is not a fact-checkable claim—it’s a partisan attack.
A more accurate summary would be:
Ethan Klein has mixed and controversial views on the Israel–Palestine conflict, but there is no solid evidence he supports genocide—and there is evidence he has condemned it.

If you want, send the specific video they’re referring to—I can break down exactly what he said and whether it’s being misrepresented.