Funny thing. I have spent the last several years moving all of my planes to "E" power. A couple weeks ago, I was out in the garage looking at the old hanger queens collecting dust. I took one down to convert to "E" power. As I took the engine off. The smell of old castor oil smelled sooooooo good. I have now repaired and have flight ready 3 planes. Looking forward to the smell of glow fuel in the morning.
So to me, glow is not really on the way out, it is making a come back. I do know electric are easy, plug in a battery, no needle tweaking, glow plugs, fuel, but there is something I just like about them.
Buzz.