That's a ridiculous complaint to make. Frank gives Colin an issue of Wolverine, which is very representative of the time period in question.
Any incorrect detail that draws an attentive viewer out of the story weakens it. Careful directors go to great lengths to avoid that kind of anachronism -- but inevitably fail somewhere. Foreign (and sometimes American) historical films and TV shows set before 1959 frequently use the wrong US flag. The props department supplies a modern flag; nobody on the set is aware that there's one star per state and the two newest states were admitted in 1959, so the WWII flag (for example) had 48 stars. The anachronism jumps out at me because the 6 x 8 arrangement of the 48-star flag is so regular.
Other anachronisms can be so detailed that only a tiny segment of the audience would notice them. An important scene in the film
Inside Llewyn Davis ends with the camera zooming in on the ignition key slot of an early-1960s Chevrolet. The viewer is supposed to think "Oh no! Davis is screwed. The other guy took the keys when he left the car and abandoned him." But this viewer didn't; being very familiar with that vintage of Chevies, I saw the missing key
and the position of the knurled knob on the ignition (which was front and center in the closeup) and thought "Oh, cool! He's going to rotate the ignition switch to "Start" and drive home." The switch was clearly labeled "Lock-Off-On-Start". It was in the vertical "Off" position, which allowed the driver to remove the key without locking the ignition. Davis would have been fine without the key as long as he didn't turn the knob to the "lock" position.
Woody Allen directed a
film about a guitar player that was full of careless errors of this sort. The musician's hand movements on the guitar don't match the soundtrack; scenes at a railroad switching yard feature a diesel locomotive from twenty years in the future; and so on.
Novelists are subject to the same kind of error. My high-school physics teacher pointed out a fundamental flaw in the novel
Lord of the Flies which we were reading in English class: the character Piggy is repeatedly described as "myopic", yet his
glasses are the kids' lifeline; they use them to concentrate the sun's rays and start fires. I'll leave finding the error as an exercise to the reader.
(A forgiving reader can easily resolve this kind of mistake by blaming it on an inattentive narrator.)