"Hooby are you being obtuse on purpose?
Let's say one individual in a population of 10,000 acquires a favourable mutation. That has no effect on how many offspring the other 99,999 have. But over many generations the percentage of individuals with the mutation will gradually increase. Each generation of individuals with the mutation will do slightly better at leaving descendants. No change in the overall population will occur but the percentage of the whole population who have the favourable mutation will increase from 0.001% to closer to 100% while those without it gradually move in the opposite direction.
It really is a very simple concept."
I'm not being obtuse, I simpy explained how to have perfect selection in one generation, you had to pay the price of the elimination of the other 9,999 in that same generation (destroying your population) for the evolutionary scenario to work. Your example tried to have the benefit of perfect selection, without the price. There is a cost to selective replacement that must must be paid. In this case the cost in the real world would indeed be the lives of the other 9,999. I was simply showing that an evolutionists own "rosy example scenario" when adjusted for reality runs into trouble.
Obviously evolutionists are aware that single generation replacement has a horrific effect in the real world, so they try to spread it over many generations. But this requires the slow replacement of all the descendants AND their offspring having the unfavorable gene. Thus a number MUCH larger than 9,999. This takes time. The standard evolution model (with favorable assumptions) is one replacement every 300 generations. Which seems to goes unnoticed as being a problem.
However, when compared with the evolutionists "human evolution" timescale (5 million years since common ancestor with chimps) a problem developes, since humans have a slow generation time. In fact with a 20 year generation time the standard model of "evolution" allows only 833 beneficial mutations to have accumulated.
5 million years divided by 20 = 250,000 generations
250,000 divided by 300 (standard model) = only 833 beneficial mutations. (most of which are a single nucleotide)
Perhaps evolutionists have or will someday come up with a new genetics model, but it must have biological reality in its assumptions.
And actually the OVERWHELMING MAJORITY of beneficial mutations are ELIMINATED early on by genetic drift. Most evolutionists are not generally aware of this.
Another real killer is when deleterious mutations are factored in. Your example of typing asumed that once typed, the words were prevented from degeneration by later mutations. In reality each of us recieves many each generation.