You know, you may be better off for being clipped in. When a bike goes sideways, you're more likely to stay with it, rather than parting company. Think about how things may have gone if the bike didn't take you with it.
Last New Year's Eve, I was riding to work (with the knowledge that it was frosty and riding with due caution) while negotiating a turn at slow speed, my bike simply shot sideways from under me and, before I knew it, I was on my chin. Bloody mess! I spent the day in hospital getting my chin sewn back together (most of that waiting, of course!)
I was riding my "commuter" with platform pedals. I believe, had I been on any of my bikes with clipless pedals, I would have followed the trajectory of the bike, landing on my side, instead of my face.
You have already noticed the obvious improvement in cycling power w/ clipless. Be careful out there!