
Because when provided with positive evidence of obvious bias, you demanded proof of a negative which is ranges from prohibitively difficult to impossible. This is not a valid form of reasoning. The inability to disprove something is not a valid reason to believe in it.
Let me put it another way, I don’t converse with paedophiles so I’m going to need proof that you’ve never diddled kids before we can continue.
Don’t forget, absolute, unthinking support of Israel under all circumstances. Even thinking about why you support Israel antisemitic, and this issue is more important than any domestic issue. Literally losing to Republicans is preferable to budging 1mm on this .