Yes, this, exactly. I was trying to explain this to a friend the other day. We don't need to "cure death" all at once in order for humanity to achieve practical immortality. It will take significant effort, obviously, but I have no doubt we'll attain it as our understanding of biology gets ever more sophisticated. Whether or not we'll personally be around to see it is another matter.
But in practical terms in the here and now it is a nonsense. Life expectancy has been going up 1 year in every ten for a hundred years, and the pace of that increase has not increased.
So were stuck at IQ/EQ too. Not so. We will adapt and thrive throughout the Multiverse as we have done throughout history. We will discover intellect that is greater than ours. Any other thought is a fastrack to suicide in terms of Time/Energy/Light.