So we too apply Catholic theology to test these private revelations and never modify Catholic theology based on the claims of private revelations or based on miracles.  Thus we have Bishop Williamson growing increasingly "soft" regarding the New Mass, as "undisputed Eucharistic miracles" ("just look them up on the internet", he says ), at first asserting these prove validity and then that the NOM cannot be "completely" condemned.

Nonsense.  Satan can simulate just about any "miracle" with very little exertion on his part.  So the ones that cannot be written off as either due to natural causes (including human fraud), for him these cannot be "disputed" ... as of the devil cannot also simulate "miracles".  It would require little effort on the devil's part to introduce some blood or human heart muscle onto the scene, replacing some of the bread with flesh and blood.  We know that the New Mass is a bastard rite that displeases God and harms souls.  God would never work a "miracle" that might possibly give the impression that the New Mass pleases Him ... which is precisel how most would take such "miracles".  Well, if God deigned to work a "miracle" in the NOM, it must be valid AND it must be OK for me to go to the NOM, since it can't displease Him too much if I go.  Why would God encourage people to assist that this offensive Protestantized bastard rite of "Mass" that has blasphemously replaced the Catholic Offertory with тαℓмυdic filth?

To take this one step farther, however, these "miracles", if not due to human fraud but rather to diabolical activity, would actually desmosnstrate the INVALIDITY of the NOM, because God would not allow the devil to tamper with the actual valid Blessed Sacrament.

Thank you for bringing up Eucharistic miracles. I can't to wrap my head around that and perhaps Bishop Williamson has a similar problem. I want to believe in Eucharistic miracles in general and I'm uneasy being skeptical. In fact, I feel like I can only question them in a forum like this. Family members would think I'm an idiot for denying them in spite of the "undisputed" or "irrefutable" evidence. But may be what is at the core of all this, make something difficult to deny which made me think of Matthew 24:24 "For there shall arise false Christs and false prophets, and shall shew great signs and wonders, insomuch as to deceive (if possible) even the elect."

I went to an exhibition of Eucharistic Miracles and noticed this gem in the picture below. What you see there is not a piece or modern art, no that is supposed to be a Tabernacle (hidden somewhere on the side, instead of in a prominent place) at a church in Argentina where, as it is claimed, a Eucharistic miracle took place.