What a transparent attempt to change the subject.
The prohibition against eating blood predates the Old Covenant, the Law given to Moses and is one of the few prohibitions reiterated under the New Covenant.
Physical actions do not cause spiritual realities, but they change as a result of spiritual realities.
Jesus Himself said that the Spirit gives life, that the flesh is no help at all. But Catholics CONSTANTLY ignore and refuse to address that verse in John 6.
They are claiming that Jesus broke the law and is thus not sinless.