I recently read a comment on a video saying “Jesus is king” and I repeated that out loud ironically, mocking their belief, this got me down the rabbit hole of searching if Quoting a Kufr statement considered as kufr or not? ( I do have a lot of wiswas in this regard)

Ustadh AbdulAziz al-Haqqan

This is waswas you are correct so dont pay attention to it.