Pros and cons of permanent magnet motors

[jhewitt03041976@gmail.com]

some may think my post about an expanded view of the pros and cons seems "glass half empty", but I'm just the opposite, I'm most certainly "glass half full", otherwise I wouldn't be fighting for such devices so hard, but also recognize there is room left and what fills that other half could go either way, ya, looking down while wearing rose colored glasses, makes the half full seem so great, but the world is full of bad things and sticking one's head in the sand won't stop the lion from biting you in the ass, I look forward AND all other directions, I'm not a neigh sayer, just wondering if the tech should be dropped on the world all at once, or gradually