That’s shows a superficial understanding of Catholic theology an drives the point that Bible Christians are most comfortable in the shallow end of the theological inquiry. Take them to the deep end and they drown. Perhaps, the better question is to ask why pre-eminent Protestants have after a lifetime of scholarly and biblical study converted to Catholicism.
I posted it in response to what you said. “Who needs to be born again we have the eucharist”. You seemed to remove the need for faith with what you posted.