Still the GP comment is in the right direction. For wires like the ones in the video you can still use something like a small phoenix connector and just screw

Still the GP comment is in the right direction. For wires like the ones in the video you can still use something like a small phoenix connector and just screw your wire connections in, just like you would wire up a choc box, no crimp tools required. The advice in the post will likely create a cold joint and intermittent/noisy connections.