I think there is accumulating evidence for a slightly more detailed checklist than simply "Gear pins and covers?.........." Certainly probes and engine cowl locks could be added, based on recent incidents.
One would hope that any pilot member of a crew i.e. who is type-rated, would know how to do a walk around and what to check, no matter what their rank is.
Everybody makes mistakes, but forgetting to look to see if probes are uncovered and clear is surely not open to a pilot forgetting. How can one forget ? - it is the reason you are outside, walking around the aircraft.
Looking into the front of a fan engine, you look at the intake probes, right? As well as the condition of the intake housing, the spinner, the fan blades etc. Don't you ?