The point of the goggles isn't to protect you from a 50W laser. Or even 1W laser (most googles will quickly melt).
The danger is reflections, at over a watt even the dot that the pointer produces on the wall can be bright enough to cause permanent blindness unless with goggles.
The danger is reflections, at over a watt even the dot that the pointer produces on the wall can be bright enough to cause permanent blindness unless with goggles.