Yes I would be very surprised by this if it were true (which it probably isn't). The claim isn't that old iPhones run slower on newer OSes - it's that this was

Yes I would be very surprised by this if it were true (which it probably isn't). The claim isn't that old iPhones run slower on newer OSes - it's that this was done by deliberately inserting malware. Pretty clear bullshit IMO. Insane that we're discussing it. Did these people do any verification?