The argument was that videos as a format are not easily editable in retrospect, so if there are updates to a switch or keyboard your video would then be slightly outdated. To me this would not be a problem since it could easily be complimented with a note regarding the new finding(s).
If there was actual "programming" involved in wiki entries myself and quite a few others would techhnically not be able to manage those entries, but you don't need to worry about that. I'll add the data bit by bit.