To each own. My oldest cans (pre-EPA regulation) use that same style of ribbed, flexible spout. They do empty fast after you add a pop-in vent as I have. But to get them started without spilling, I have to hold a finger of my left hand over the tip of the spout while bending it into the tank opening, at the same time lifting the can up high enough and tilting it with my right hand. Usually also have to use my right knee to help get the tilt started when the can is full because of the center of gravity. Meanwhile, the bent spout is under tension and sometimes springs out of the tank before I get things positioned! Maybe it's just me, but those cans seem to be getting heavier every year.
I much prefer the newest EPA spout design, but the design I liked the most was the earlier EPA style from a few years ago with a short, rigid spout and green actuating lever. Tilt the can, poke the spout into the tank and press the lever to start the flow. I regret not buying a bunch of those before they were phased out!