I have coparented with DD10's dad since she was 4 and have a 70/30 split.
Since we split his views on things we once agreed on have completely changed. This is largely due to the influence of his new DW.
He is completely anti-vax now, refused to wear a mask when needed, won't even do covid tests as he believes they're cancer causing. He's requested that DD does not have them either.
His viewpoints are now beginning to rub off on DD and I'm really not sure how to handle this.
When I've questioned his views in the past on things it's caused almighty rows and I've been on the receiving end of a lot of verbal abuse by both him and his DW.
I know DD10 should be free to make up her own mind on things but her DF is very vocal with his opinions on things which I personally think are bonkers. But I'm not naturally vocal in the same way and I'm terrified of DD being led down the same path as them.
How should I handle this?