Wake up! Time to fly!
300 ft for LOS is really not very high. I was at the field a few weeks ago flying FPV with Baro and GPS elevation on my OSD. I was cruising around at 300' thinking I would be above the gasser flying at the field, only to be suddenly awaken by a gasser missing my nose by about 10 feet going right to left. :-O From the ground, he really didn't look that far up. This was only a .45 plane, so nothing extraordinarily big. The whole 400' bubble thing is a joke, even LOS. Height wise(Z) is doable, but 400' around the pilot (X/Y) really isn't much. I can't even use the whole field we have been flying at that close range.
I didnt say it was optimal flying conditions just suggesting its a valid solution where we would not get regulated out of flying at all... and the lowering to 300 feet was just an option. the original intent is for NO changes to what its always been at 400 ft LOS not 400 feet bubble BS as proposed.
Im on our side NOT the gubbments