[umpal00mpa]

They might not go through the trouble for anything under £100. They could refer to the CCTV for anything above that amount.

In support of this comment, on one occasion, Argos did In fact refer to CCTV footage for a set of AirPods valued at 160$ (at the time).

The missing Item method was used, which made the process a lot more difficult but after 3 weeks of communications back and forth, the SE finally succeeded.

So even with CCTV it still works if you press hard enough. Really the biggest variable is the attitude of the person handling your case.