I'm just a duffer recreational rider, riding to improve fitness and lose weight.
I hate the feeling of riding without clipless pedals. My connection to platform pedals is too vague, constantly repositioning my foot on the platform. At a stop it's awkward getting a pedal into the starting (up & forward) position... with clipless I just lift my leg.
I've never fallen all the way over with them either, although I have had some close calls. As I approach a stop I unclip my right foot and put it on the ground as I stop, simultaneously positioning the left one for starting off by lifting that leg.
I use Speedplay Frogs and the huge amount of float they have is kind to my knees. I have two pair of MTB shoes (Sidi Dominator and Carnac Sirius) with Frog cleats installed on both pair.
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San Francisco, California