Perhaps they could demonstrate a PL259 connector instead?

Extra credit if they can do it without melting the
dielectric insulation of the coax. More points if they
can get the solder to actually flow onto the connector body
where the shield solder holes are located (helps if you
use a small file to remove the plating first).
And more points if they remember to put the shell on the
cable in the correct direction before doing any soldering ;-)